./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.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 d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:16:29,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:16:29,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:16:29,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:16:29,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:16:29,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:16:29,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:16:29,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:16:29,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:16:29,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:16:29,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:16:29,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:16:29,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:16:29,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:16:29,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:16:29,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:16:29,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:16:29,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:16:29,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:16:29,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:16:29,843 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:16:29,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:16:29,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:16:29,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:16:29,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:16:29,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:16:29,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:16:29,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:16:29,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:16:29,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:16:29,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:16:29,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:16:29,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:16:29,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:16:29,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:16:29,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:16:29,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:16:29,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:16:29,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:16:29,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:16:29,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:16:29,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:16:29,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:16:29,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:16:29,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:16:29,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:16:29,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:16:29,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:16:29,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:16:29,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:16:29,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:16:29,899 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:16:29,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:16:29,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:16:29,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:16:29,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:16:29,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:16:29,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:16:29,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:16:29,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:16:29,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:16:29,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:16:29,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:16:29,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:16:29,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:16:29,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:16:29,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:16:29,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:16:29,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:16:29,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:16:29,903 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:16:29,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:16:29,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:16:29,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2022-07-21 10:16:30,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:16:30,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:16:30,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:16:30,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:16:30,190 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:16:30,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-21 10:16:30,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe76edb28/9cd293bdc46c4e05b2e6bd5703d88303/FLAG3fa6f7005 [2022-07-21 10:16:30,988 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:16:30,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-21 10:16:31,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe76edb28/9cd293bdc46c4e05b2e6bd5703d88303/FLAG3fa6f7005 [2022-07-21 10:16:31,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe76edb28/9cd293bdc46c4e05b2e6bd5703d88303 [2022-07-21 10:16:31,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:16:31,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:16:31,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:16:31,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:16:31,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:16:31,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:16:31" (1/1) ... [2022-07-21 10:16:31,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d55419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:31, skipping insertion in model container [2022-07-21 10:16:31,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:16:31" (1/1) ... [2022-07-21 10:16:31,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:16:31,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:16:33,708 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-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-21 10:16:33,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:16:33,858 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:16:34,150 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-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-21 10:16:34,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:16:34,267 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:16:34,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34 WrapperNode [2022-07-21 10:16:34,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:16:34,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:16:34,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:16:34,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:16:34,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,541 INFO L137 Inliner]: procedures = 415, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 7241 [2022-07-21 10:16:34,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:16:34,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:16:34,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:16:34,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:16:34,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:16:34,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:16:34,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:16:34,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:16:34,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (1/1) ... [2022-07-21 10:16:34,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:16:34,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:16:35,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 10:16:35,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 10:16:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-21 10:16:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-21 10:16:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-21 10:16:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-21 10:16:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 10:16:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 10:16:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 10:16:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 10:16:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:16:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:16:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 10:16:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 10:16:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 10:16:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 10:16:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 10:16:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 10:16:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2022-07-21 10:16:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2022-07-21 10:16:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 10:16:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 10:16:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 10:16:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 10:16:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-21 10:16:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-21 10:16:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 10:16:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 10:16:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 10:16:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-21 10:16:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-21 10:16:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-21 10:16:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-21 10:16:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-21 10:16:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-21 10:16:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 10:16:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 10:16:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2022-07-21 10:16:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2022-07-21 10:16:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:16:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 10:16:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 10:16:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 10:16:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 10:16:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-21 10:16:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-21 10:16:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-21 10:16:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-21 10:16:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-21 10:16:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-21 10:16:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 10:16:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 10:16:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 10:16:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 10:16:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 10:16:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 10:16:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 10:16:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 10:16:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-21 10:16:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-21 10:16:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 10:16:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 10:16:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 10:16:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-21 10:16:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-21 10:16:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-21 10:16:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-21 10:16:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 10:16:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 10:16:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-21 10:16:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-21 10:16:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 10:16:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 10:16:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 10:16:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 10:16:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 10:16:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 10:16:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-21 10:16:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-21 10:16:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-21 10:16:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-21 10:16:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-21 10:16:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-21 10:16:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-21 10:16:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-21 10:16:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:16:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 10:16:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 10:16:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:16:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 10:16:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 10:16:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 10:16:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 10:16:35,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:16:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 10:16:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-21 10:16:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-21 10:16:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-21 10:16:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-21 10:16:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-21 10:16:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-21 10:16:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 10:16:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 10:16:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-21 10:16:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-21 10:16:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 10:16:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 10:16:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-21 10:16:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-21 10:16:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-21 10:16:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-21 10:16:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:16:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:16:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-21 10:16:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-21 10:16:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 10:16:35,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 10:16:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:16:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:16:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-21 10:16:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-21 10:16:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:16:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:16:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 10:16:35,082 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 10:16:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 10:16:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 10:16:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 10:16:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 10:16:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-21 10:16:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-21 10:16:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-21 10:16:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-21 10:16:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-21 10:16:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-21 10:16:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-21 10:16:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-21 10:16:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-21 10:16:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-21 10:16:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-21 10:16:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-21 10:16:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-21 10:16:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-21 10:16:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:16:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:16:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-21 10:16:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-21 10:16:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-21 10:16:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-21 10:16:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:16:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:16:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 10:16:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 10:16:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-21 10:16:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-21 10:16:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-21 10:16:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-21 10:16:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-21 10:16:35,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-21 10:16:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 10:16:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 10:16:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 10:16:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 10:16:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 10:16:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 10:16:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 10:16:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 10:16:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-21 10:16:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-21 10:16:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:16:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:16:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-21 10:16:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-21 10:16:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 10:16:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 10:16:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 10:16:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 10:16:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:16:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-21 10:16:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-21 10:16:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:16:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-21 10:16:35,089 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-21 10:16:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-21 10:16:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-21 10:16:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-21 10:16:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-21 10:16:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-21 10:16:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-21 10:16:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-21 10:16:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-21 10:16:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:16:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 10:16:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 10:16:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 10:16:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 10:16:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 10:16:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 10:16:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-21 10:16:35,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-21 10:16:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-21 10:16:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-21 10:16:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-21 10:16:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-21 10:16:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-21 10:16:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-21 10:16:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-21 10:16:35,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-21 10:16:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2022-07-21 10:16:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2022-07-21 10:16:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-21 10:16:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-21 10:16:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 10:16:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 10:16:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-21 10:16:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-21 10:16:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-21 10:16:35,093 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-21 10:16:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 10:16:35,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 10:16:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-21 10:16:35,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-21 10:16:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-21 10:16:35,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-21 10:16:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-21 10:16:35,094 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-21 10:16:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-21 10:16:35,095 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-21 10:16:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 10:16:35,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 10:16:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-21 10:16:35,095 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-21 10:16:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 10:16:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:16:35,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:16:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-21 10:16:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-21 10:16:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2022-07-21 10:16:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2022-07-21 10:16:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-21 10:16:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-21 10:16:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-21 10:16:35,096 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-21 10:16:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-21 10:16:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-21 10:16:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 10:16:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 10:16:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-21 10:16:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-21 10:16:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-21 10:16:35,097 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-21 10:16:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-21 10:16:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-21 10:16:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-21 10:16:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-21 10:16:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-21 10:16:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-21 10:16:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 10:16:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 10:16:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 10:16:35,098 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 10:16:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-21 10:16:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-21 10:16:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-21 10:16:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-21 10:16:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 10:16:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 10:16:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-21 10:16:35,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-21 10:16:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-21 10:16:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-21 10:16:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 10:16:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-21 10:16:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-21 10:16:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-21 10:16:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-21 10:16:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-21 10:16:35,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-21 10:16:35,101 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 10:16:35,101 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 10:16:35,101 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-21 10:16:35,101 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-21 10:16:35,974 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:16:35,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:16:46,847 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:16:46,860 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:16:46,860 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:16:46,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:16:46 BoogieIcfgContainer [2022-07-21 10:16:46,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:16:46,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:16:46,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:16:46,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:16:46,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:16:31" (1/3) ... [2022-07-21 10:16:46,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c20be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:16:46, skipping insertion in model container [2022-07-21 10:16:46,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:16:34" (2/3) ... [2022-07-21 10:16:46,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c20be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:16:46, skipping insertion in model container [2022-07-21 10:16:46,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:16:46" (3/3) ... [2022-07-21 10:16:46,869 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-21 10:16:46,878 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:16:46,878 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:16:46,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:16:46,942 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1501ae8c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@35253e62 [2022-07-21 10:16:46,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:16:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 2562 states, 1820 states have (on average 1.378021978021978) internal successors, (2508), 1883 states have internal predecessors, (2508), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-07-21 10:16:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-21 10:16:46,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:16:46,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:16:46,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:16:46,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:16:46,959 INFO L85 PathProgramCache]: Analyzing trace with hash 333389287, now seen corresponding path program 1 times [2022-07-21 10:16:46,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:16:46,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924367226] [2022-07-21 10:16:46,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:16:46,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:16:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:16:47,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:16:47,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924367226] [2022-07-21 10:16:47,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924367226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:16:47,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:16:47,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:16:47,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087127734] [2022-07-21 10:16:47,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:16:47,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:16:47,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:16:47,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:16:47,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:47,326 INFO L87 Difference]: Start difference. First operand has 2562 states, 1820 states have (on average 1.378021978021978) internal successors, (2508), 1883 states have internal predecessors, (2508), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:47,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:16:47,510 INFO L93 Difference]: Finished difference Result 5118 states and 7624 transitions. [2022-07-21 10:16:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:16:47,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-21 10:16:47,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:16:47,531 INFO L225 Difference]: With dead ends: 5118 [2022-07-21 10:16:47,531 INFO L226 Difference]: Without dead ends: 2542 [2022-07-21 10:16:47,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:47,548 INFO L413 NwaCegarLoop]: 3678 mSDtfsCounter, 3673 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3673 SdHoareTripleChecker+Valid, 3678 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:16:47,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3673 Valid, 3678 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:16:47,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2022-07-21 10:16:47,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2542. [2022-07-21 10:16:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1803 states have (on average 1.3527454242928452) internal successors, (2439), 1863 states have internal predecessors, (2439), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2022-07-21 10:16:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3649 transitions. [2022-07-21 10:16:47,668 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3649 transitions. Word has length 9 [2022-07-21 10:16:47,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:16:47,669 INFO L495 AbstractCegarLoop]: Abstraction has 2542 states and 3649 transitions. [2022-07-21 10:16:47,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3649 transitions. [2022-07-21 10:16:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 10:16:47,670 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:16:47,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:16:47,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 10:16:47,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:16:47,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:16:47,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1743977276, now seen corresponding path program 1 times [2022-07-21 10:16:47,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:16:47,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882921190] [2022-07-21 10:16:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:16:47,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:16:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:16:47,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:16:47,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882921190] [2022-07-21 10:16:47,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882921190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:16:47,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:16:47,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:16:47,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325585945] [2022-07-21 10:16:47,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:16:47,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:16:47,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:16:47,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:16:47,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:47,774 INFO L87 Difference]: Start difference. First operand 2542 states and 3649 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:16:47,960 INFO L93 Difference]: Finished difference Result 7542 states and 11177 transitions. [2022-07-21 10:16:47,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:16:47,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-21 10:16:47,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:16:47,985 INFO L225 Difference]: With dead ends: 7542 [2022-07-21 10:16:48,067 INFO L226 Difference]: Without dead ends: 5003 [2022-07-21 10:16:48,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:48,084 INFO L413 NwaCegarLoop]: 4747 mSDtfsCounter, 3640 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3640 SdHoareTripleChecker+Valid, 8449 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:16:48,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3640 Valid, 8449 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:16:48,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5003 states. [2022-07-21 10:16:48,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5003 to 5000. [2022-07-21 10:16:48,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5000 states, 3552 states have (on average 1.352195945945946) internal successors, (4803), 3665 states have internal predecessors, (4803), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:16:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 7357 transitions. [2022-07-21 10:16:48,238 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 7357 transitions. Word has length 10 [2022-07-21 10:16:48,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:16:48,239 INFO L495 AbstractCegarLoop]: Abstraction has 5000 states and 7357 transitions. [2022-07-21 10:16:48,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 7357 transitions. [2022-07-21 10:16:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 10:16:48,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:16:48,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:16:48,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 10:16:48,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:16:48,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:16:48,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1772430454, now seen corresponding path program 1 times [2022-07-21 10:16:48,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:16:48,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657795688] [2022-07-21 10:16:48,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:16:48,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:16:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:16:48,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:16:48,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657795688] [2022-07-21 10:16:48,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657795688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:16:48,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:16:48,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:16:48,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312175896] [2022-07-21 10:16:48,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:16:48,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:16:48,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:16:48,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:16:48,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:48,330 INFO L87 Difference]: Start difference. First operand 5000 states and 7357 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:48,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:16:48,434 INFO L93 Difference]: Finished difference Result 5002 states and 7358 transitions. [2022-07-21 10:16:48,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:16:48,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-21 10:16:48,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:16:48,456 INFO L225 Difference]: With dead ends: 5002 [2022-07-21 10:16:48,457 INFO L226 Difference]: Without dead ends: 4999 [2022-07-21 10:16:48,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:48,461 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3639 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 3646 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:16:48,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 3646 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:16:48,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4999 states. [2022-07-21 10:16:48,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4999 to 4999. [2022-07-21 10:16:48,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4999 states, 3552 states have (on average 1.3519144144144144) internal successors, (4802), 3664 states have internal predecessors, (4802), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:16:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 7355 transitions. [2022-07-21 10:16:48,623 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 7355 transitions. Word has length 11 [2022-07-21 10:16:48,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:16:48,623 INFO L495 AbstractCegarLoop]: Abstraction has 4999 states and 7355 transitions. [2022-07-21 10:16:48,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 7355 transitions. [2022-07-21 10:16:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 10:16:48,624 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:16:48,624 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:16:48,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 10:16:48,625 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:16:48,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:16:48,626 INFO L85 PathProgramCache]: Analyzing trace with hash 888084479, now seen corresponding path program 1 times [2022-07-21 10:16:48,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:16:48,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572708181] [2022-07-21 10:16:48,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:16:48,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:16:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:16:48,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:16:48,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572708181] [2022-07-21 10:16:48,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572708181] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:16:48,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:16:48,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:16:48,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336891637] [2022-07-21 10:16:48,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:16:48,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:16:48,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:16:48,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:16:48,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:48,749 INFO L87 Difference]: Start difference. First operand 4999 states and 7355 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:48,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:16:48,863 INFO L93 Difference]: Finished difference Result 5001 states and 7356 transitions. [2022-07-21 10:16:48,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:16:48,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2022-07-21 10:16:48,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:16:48,886 INFO L225 Difference]: With dead ends: 5001 [2022-07-21 10:16:48,886 INFO L226 Difference]: Without dead ends: 4998 [2022-07-21 10:16:48,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:48,897 INFO L413 NwaCegarLoop]: 3644 mSDtfsCounter, 3636 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 3644 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:16:48,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 3644 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:16:48,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4998 states. [2022-07-21 10:16:49,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4998 to 4998. [2022-07-21 10:16:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4998 states, 3552 states have (on average 1.351632882882883) internal successors, (4801), 3663 states have internal predecessors, (4801), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:16:49,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4998 states and 7353 transitions. [2022-07-21 10:16:49,073 INFO L78 Accepts]: Start accepts. Automaton has 4998 states and 7353 transitions. Word has length 12 [2022-07-21 10:16:49,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:16:49,073 INFO L495 AbstractCegarLoop]: Abstraction has 4998 states and 7353 transitions. [2022-07-21 10:16:49,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 4998 states and 7353 transitions. [2022-07-21 10:16:49,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-21 10:16:49,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:16:49,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:16:49,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 10:16:49,074 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:16:49,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:16:49,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1759673645, now seen corresponding path program 1 times [2022-07-21 10:16:49,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:16:49,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111916511] [2022-07-21 10:16:49,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:16:49,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:16:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:16:49,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:16:49,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111916511] [2022-07-21 10:16:49,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111916511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:16:49,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:16:49,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:16:49,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297738975] [2022-07-21 10:16:49,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:16:49,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:16:49,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:16:49,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:16:49,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:49,166 INFO L87 Difference]: Start difference. First operand 4998 states and 7353 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:49,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:16:49,272 INFO L93 Difference]: Finished difference Result 5000 states and 7354 transitions. [2022-07-21 10:16:49,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:16:49,276 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-07-21 10:16:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:16:49,298 INFO L225 Difference]: With dead ends: 5000 [2022-07-21 10:16:49,298 INFO L226 Difference]: Without dead ends: 4991 [2022-07-21 10:16:49,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:16:49,302 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 3633 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3633 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:16:49,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3633 Valid, 3643 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:16:49,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4991 states. [2022-07-21 10:16:49,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4991 to 4991. [2022-07-21 10:16:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4991 states, 3546 states have (on average 1.3513818386914833) internal successors, (4792), 3656 states have internal predecessors, (4792), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:16:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4991 states to 4991 states and 7343 transitions. [2022-07-21 10:16:49,645 INFO L78 Accepts]: Start accepts. Automaton has 4991 states and 7343 transitions. Word has length 13 [2022-07-21 10:16:49,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:16:49,645 INFO L495 AbstractCegarLoop]: Abstraction has 4991 states and 7343 transitions. [2022-07-21 10:16:49,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:16:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4991 states and 7343 transitions. [2022-07-21 10:16:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-21 10:16:49,654 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:16:49,654 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:16:49,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 10:16:49,655 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:16:49,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:16:49,655 INFO L85 PathProgramCache]: Analyzing trace with hash -924010590, now seen corresponding path program 1 times [2022-07-21 10:16:49,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:16:49,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053437221] [2022-07-21 10:16:49,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:16:49,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:16:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 10:16:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 10:16:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:16:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:16:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:16:49,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:16:49,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053437221] [2022-07-21 10:16:49,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053437221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:16:49,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:16:49,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 10:16:49,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406096882] [2022-07-21 10:16:49,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:16:49,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 10:16:49,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:16:49,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 10:16:49,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 10:16:49,869 INFO L87 Difference]: Start difference. First operand 4991 states and 7343 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 10:16:53,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:16:55,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:17:01,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:17:01,186 INFO L93 Difference]: Finished difference Result 10706 states and 16434 transitions. [2022-07-21 10:17:01,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 10:17:01,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 53 [2022-07-21 10:17:01,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:17:01,233 INFO L225 Difference]: With dead ends: 10706 [2022-07-21 10:17:01,234 INFO L226 Difference]: Without dead ends: 5718 [2022-07-21 10:17:01,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 10:17:01,271 INFO L413 NwaCegarLoop]: 3508 mSDtfsCounter, 824 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 718 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 7143 SdHoareTripleChecker+Invalid, 3767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-21 10:17:01,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 7143 Invalid, 3767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 3047 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-07-21 10:17:01,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5718 states. [2022-07-21 10:17:01,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5718 to 5407. [2022-07-21 10:17:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5407 states, 3836 states have (on average 1.3477580813347236) internal successors, (5170), 3956 states have internal predecessors, (5170), 1253 states have call successors, (1253), 259 states have call predecessors, (1253), 317 states have return successors, (1684), 1275 states have call predecessors, (1684), 1249 states have call successors, (1684) [2022-07-21 10:17:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 5407 states and 8107 transitions. [2022-07-21 10:17:01,516 INFO L78 Accepts]: Start accepts. Automaton has 5407 states and 8107 transitions. Word has length 53 [2022-07-21 10:17:01,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:17:01,517 INFO L495 AbstractCegarLoop]: Abstraction has 5407 states and 8107 transitions. [2022-07-21 10:17:01,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 10:17:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 5407 states and 8107 transitions. [2022-07-21 10:17:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-21 10:17:01,523 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:17:01,523 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:17:01,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 10:17:01,524 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:17:01,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:17:01,524 INFO L85 PathProgramCache]: Analyzing trace with hash 858105792, now seen corresponding path program 1 times [2022-07-21 10:17:01,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:17:01,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609452289] [2022-07-21 10:17:01,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:17:01,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:17:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 10:17:01,857 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 10:17:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 10:17:02,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 10:17:02,076 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 10:17:02,077 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 10:17:02,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 10:17:02,081 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:17:02,083 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 10:17:02,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:17:02 BoogieIcfgContainer [2022-07-21 10:17:02,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 10:17:02,180 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 10:17:02,180 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 10:17:02,180 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 10:17:02,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:16:46" (3/4) ... [2022-07-21 10:17:02,183 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 10:17:02,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 10:17:02,183 INFO L158 Benchmark]: Toolchain (without parser) took 30910.72ms. Allocated memory was 71.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 36.4MB in the beginning and 960.9MB in the end (delta: -924.5MB). Peak memory consumption was 205.8MB. Max. memory is 16.1GB. [2022-07-21 10:17:02,184 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:17:02,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2994.77ms. Allocated memory was 71.3MB in the beginning and 172.0MB in the end (delta: 100.7MB). Free memory was 36.2MB in the beginning and 86.0MB in the end (delta: -49.8MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2022-07-21 10:17:02,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 271.54ms. Allocated memory is still 172.0MB. Free memory was 86.0MB in the beginning and 67.6MB in the end (delta: 18.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-07-21 10:17:02,184 INFO L158 Benchmark]: Boogie Preprocessor took 416.32ms. Allocated memory was 172.0MB in the beginning and 302.0MB in the end (delta: 130.0MB). Free memory was 67.6MB in the beginning and 170.4MB in the end (delta: -102.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-07-21 10:17:02,185 INFO L158 Benchmark]: RCFGBuilder took 11904.73ms. Allocated memory was 302.0MB in the beginning and 1.2GB in the end (delta: 899.7MB). Free memory was 170.4MB in the beginning and 762.6MB in the end (delta: -592.2MB). Peak memory consumption was 459.5MB. Max. memory is 16.1GB. [2022-07-21 10:17:02,185 INFO L158 Benchmark]: TraceAbstraction took 15314.94ms. Allocated memory is still 1.2GB. Free memory was 762.6MB in the beginning and 960.9MB in the end (delta: -198.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:17:02,185 INFO L158 Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 1.2GB. Free memory is still 960.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 10:17:02,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2994.77ms. Allocated memory was 71.3MB in the beginning and 172.0MB in the end (delta: 100.7MB). Free memory was 36.2MB in the beginning and 86.0MB in the end (delta: -49.8MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 271.54ms. Allocated memory is still 172.0MB. Free memory was 86.0MB in the beginning and 67.6MB in the end (delta: 18.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 416.32ms. Allocated memory was 172.0MB in the beginning and 302.0MB in the end (delta: 130.0MB). Free memory was 67.6MB in the beginning and 170.4MB in the end (delta: -102.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * RCFGBuilder took 11904.73ms. Allocated memory was 302.0MB in the beginning and 1.2GB in the end (delta: 899.7MB). Free memory was 170.4MB in the beginning and 762.6MB in the end (delta: -592.2MB). Peak memory consumption was 459.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15314.94ms. Allocated memory is still 1.2GB. Free memory was 762.6MB in the beginning and 960.9MB in the end (delta: -198.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.77ms. Allocated memory is still 1.2GB. Free memory is still 960.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12848]: 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 11833, overapproximation of bitwiseAnd at line 11396. Possible FailurePath: [L7140] static bool ap_mode_default ; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {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}, {0U, 720U, 144U, (unsigned short)0}}; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {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}, {0U, 720U, 144U, (unsigned short)0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L11797-L11803] 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, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 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, & 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}; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(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-2.fw", & rxd_8366_ap_ops, 2U}}; [L11839] struct pci_device_id const __mod_pci_device_table ; [L12503] int LDV_IN_INTERRUPT ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L12965] static int ldv_mutex_fw_mutex ; [L13072] static int ldv_mutex_lock ; [L13179] static int ldv_mutex_mtx ; [L13286] static int ldv_mutex_mutex ; 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_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_fw_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] 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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp___0=1] [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] 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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=1] [L12620] 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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=1] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, priv->ap_fw=257, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5242:5250}, vif={5242:5250}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5242:5250}, vif={5242:5250}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6185] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, pfo_ret__={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, get_current()={0:0}, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, priv->fw_mutex_owner={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5242:5250}, vif={5242:5250}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5241:-1338}, priv->hw_restart_in_progress=-255, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5241:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5241:0}, lock={5241:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=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_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 2562 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 19118 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19045 mSDsluCounter, 30203 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7337 mSDsCounter, 725 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3065 IncrementalHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 725 mSolverCounterUnsat, 22866 mSDtfsCounter, 3065 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5407occurred in iteration=6, InterpolantAutomatonStates: 19, 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, 6 MinimizatonAttempts, 314 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-21 10:17:02,239 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-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.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 d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:17:04,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:17:04,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:17:04,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:17:04,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:17:04,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:17:04,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:17:04,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:17:04,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:17:04,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:17:04,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:17:04,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:17:04,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:17:04,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:17:04,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:17:04,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:17:04,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:17:04,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:17:04,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:17:04,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:17:04,119 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:17:04,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:17:04,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:17:04,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:17:04,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:17:04,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:17:04,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:17:04,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:17:04,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:17:04,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:17:04,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:17:04,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:17:04,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:17:04,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:17:04,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:17:04,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:17:04,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:17:04,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:17:04,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:17:04,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:17:04,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:17:04,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:17:04,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 10:17:04,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:17:04,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:17:04,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:17:04,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:17:04,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:17:04,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:17:04,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:17:04,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:17:04,168 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:17:04,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:17:04,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:17:04,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:17:04,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:17:04,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:17:04,170 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 10:17:04,177 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 10:17:04,177 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 10:17:04,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:17:04,177 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:17:04,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:17:04,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:17:04,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:17:04,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:17:04,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:17:04,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:17:04,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:17:04,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:17:04,179 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 10:17:04,179 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 10:17:04,179 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:17:04,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:17:04,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:17:04,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 10:17:04,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2022-07-21 10:17:04,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:17:04,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:17:04,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:17:04,451 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:17:04,451 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:17:04,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-21 10:17:04,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0481d66bc/0de0e13ae2d8433fa59475480d651bf7/FLAG65ed1aeaa [2022-07-21 10:17:05,245 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:17:05,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-21 10:17:05,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0481d66bc/0de0e13ae2d8433fa59475480d651bf7/FLAG65ed1aeaa [2022-07-21 10:17:05,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0481d66bc/0de0e13ae2d8433fa59475480d651bf7 [2022-07-21 10:17:05,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:17:05,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:17:05,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:17:05,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:17:05,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:17:05,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:17:05" (1/1) ... [2022-07-21 10:17:05,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46050010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:05, skipping insertion in model container [2022-07-21 10:17:05,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:17:05" (1/1) ... [2022-07-21 10:17:05,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:17:05,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:17:07,982 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-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-21 10:17:08,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:17:08,117 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 10:17:08,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:17:08,442 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-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-21 10:17:08,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:17:08,462 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:17:08,789 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-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2022-07-21 10:17:08,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:17:08,952 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:17:08,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08 WrapperNode [2022-07-21 10:17:08,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:17:08,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:17:08,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:17:08,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:17:08,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,238 INFO L137 Inliner]: procedures = 429, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 6892 [2022-07-21 10:17:09,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:17:09,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:17:09,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:17:09,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:17:09,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:17:09,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:17:09,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:17:09,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:17:09,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (1/1) ... [2022-07-21 10:17:09,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:17:09,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:17:09,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 10:17:09,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 10:17:09,616 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-21 10:17:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-21 10:17:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-21 10:17:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-21 10:17:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 10:17:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 10:17:09,617 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 10:17:09,617 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 10:17:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:17:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:17:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 10:17:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 10:17:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 10:17:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 10:17:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 10:17:09,618 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 10:17:09,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2022-07-21 10:17:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2022-07-21 10:17:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 10:17:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 10:17:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 10:17:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 10:17:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-21 10:17:09,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-21 10:17:09,619 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 10:17:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 10:17:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 10:17:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-21 10:17:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-21 10:17:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-21 10:17:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-21 10:17:09,620 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-21 10:17:09,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-21 10:17:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 10:17:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 10:17:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2022-07-21 10:17:09,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2022-07-21 10:17:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:17:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 10:17:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 10:17:09,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 10:17:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 10:17:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 10:17:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 10:17:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 10:17:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-21 10:17:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-21 10:17:09,622 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-21 10:17:09,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-21 10:17:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-21 10:17:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-21 10:17:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 10:17:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 10:17:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 10:17:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 10:17:09,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 10:17:09,623 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 10:17:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-21 10:17:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-21 10:17:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 10:17:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 10:17:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-21 10:17:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-21 10:17:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-21 10:17:09,624 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-21 10:17:09,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 10:17:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 10:17:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-21 10:17:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-21 10:17:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 10:17:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 10:17:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 10:17:09,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 10:17:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 10:17:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 10:17:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-21 10:17:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-21 10:17:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-21 10:17:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-21 10:17:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-21 10:17:09,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-21 10:17:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-21 10:17:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-21 10:17:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:17:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 10:17:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 10:17:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:17:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-21 10:17:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-21 10:17:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 10:17:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 10:17:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:17:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 10:17:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 10:17:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 10:17:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-21 10:17:09,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-21 10:17:09,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 10:17:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-21 10:17:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-21 10:17:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-21 10:17:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-21 10:17:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 10:17:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 10:17:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-21 10:17:09,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-21 10:17:09,629 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 10:17:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 10:17:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-21 10:17:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-21 10:17:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-21 10:17:09,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-21 10:17:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 10:17:09,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:17:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:17:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-21 10:17:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-21 10:17:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 10:17:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 10:17:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 10:17:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:17:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:17:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-21 10:17:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-21 10:17:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 10:17:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 10:17:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:17:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 10:17:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:17:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 10:17:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 10:17:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 10:17:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 10:17:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 10:17:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 10:17:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-21 10:17:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-21 10:17:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-21 10:17:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-21 10:17:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-21 10:17:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-21 10:17:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-21 10:17:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-21 10:17:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-21 10:17:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-21 10:17:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-21 10:17:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-21 10:17:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-21 10:17:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-21 10:17:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:17:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:17:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-21 10:17:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-21 10:17:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-21 10:17:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-21 10:17:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:17:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:17:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 10:17:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 10:17:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-21 10:17:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-21 10:17:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-21 10:17:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-21 10:17:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-21 10:17:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-21 10:17:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 10:17:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 10:17:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 10:17:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 10:17:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 10:17:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 10:17:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 10:17:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 10:17:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-21 10:17:09,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-21 10:17:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:17:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:17:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-21 10:17:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-21 10:17:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 10:17:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 10:17:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 10:17:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 10:17:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:17:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-21 10:17:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-21 10:17:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:17:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-21 10:17:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-21 10:17:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-21 10:17:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-21 10:17:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-21 10:17:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-21 10:17:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-21 10:17:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-21 10:17:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 10:17:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 10:17:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 10:17:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-21 10:17:09,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-21 10:17:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 10:17:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:17:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 10:17:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 10:17:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 10:17:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 10:17:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 10:17:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 10:17:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-21 10:17:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-21 10:17:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-07-21 10:17:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-07-21 10:17:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-21 10:17:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-21 10:17:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-21 10:17:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-21 10:17:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-21 10:17:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-21 10:17:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2022-07-21 10:17:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2022-07-21 10:17:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-21 10:17:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-21 10:17:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 10:17:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 10:17:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-21 10:17:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-21 10:17:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-21 10:17:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-21 10:17:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 10:17:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 10:17:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-21 10:17:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-21 10:17:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-21 10:17:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-21 10:17:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-21 10:17:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-21 10:17:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-21 10:17:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-21 10:17:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 10:17:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 10:17:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-21 10:17:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-21 10:17:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 10:17:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 10:17:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 10:17:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 10:17:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:17:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:17:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-21 10:17:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-21 10:17:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2022-07-21 10:17:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2022-07-21 10:17:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-21 10:17:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-21 10:17:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-07-21 10:17:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-07-21 10:17:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-21 10:17:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-21 10:17:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 10:17:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 10:17:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-21 10:17:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-21 10:17:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-21 10:17:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-21 10:17:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-21 10:17:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-21 10:17:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-21 10:17:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-21 10:17:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-21 10:17:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-21 10:17:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 10:17:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 10:17:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 10:17:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 10:17:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-21 10:17:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-21 10:17:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-21 10:17:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-21 10:17:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 10:17:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 10:17:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-21 10:17:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-21 10:17:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-21 10:17:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-21 10:17:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-21 10:17:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-21 10:17:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-21 10:17:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-21 10:17:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-21 10:17:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-21 10:17:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-21 10:17:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-21 10:17:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-21 10:17:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-21 10:17:10,381 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:17:10,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:19:02,606 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:19:02,633 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:19:02,634 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 10:19:02,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:19:02 BoogieIcfgContainer [2022-07-21 10:19:02,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:19:02,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:19:02,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:19:02,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:19:02,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:17:05" (1/3) ... [2022-07-21 10:19:02,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afa5c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:19:02, skipping insertion in model container [2022-07-21 10:19:02,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:17:08" (2/3) ... [2022-07-21 10:19:02,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afa5c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:19:02, skipping insertion in model container [2022-07-21 10:19:02,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:19:02" (3/3) ... [2022-07-21 10:19:02,644 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2022-07-21 10:19:02,658 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:19:02,659 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:19:02,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:19:02,759 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d893b9d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1f7e2aa0 [2022-07-21 10:19:02,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:19:02,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-07-21 10:19:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-21 10:19:02,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:19:02,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:19:02,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:19:02,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:19:02,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2022-07-21 10:19:02,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:19:02,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920895991] [2022-07-21 10:19:02,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:19:02,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:19:02,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:19:02,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:19:02,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 10:19:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:19:04,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:19:04,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:19:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:19:04,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:19:04,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:19:04,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920895991] [2022-07-21 10:19:04,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920895991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:19:04,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:19:04,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:19:04,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696639773] [2022-07-21 10:19:04,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:19:04,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:19:04,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:19:04,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:19:04,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:04,685 INFO L87 Difference]: Start difference. First operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:05,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:19:05,027 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2022-07-21 10:19:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:19:05,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-21 10:19:05,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:19:05,049 INFO L225 Difference]: With dead ends: 5004 [2022-07-21 10:19:05,049 INFO L226 Difference]: Without dead ends: 2485 [2022-07-21 10:19:05,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:05,069 INFO L413 NwaCegarLoop]: 3604 mSDtfsCounter, 3599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 10:19:05,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 3604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 10:19:05,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-07-21 10:19:05,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2022-07-21 10:19:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1746 states have (on average 1.354524627720504) internal successors, (2365), 1806 states have internal predecessors, (2365), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2022-07-21 10:19:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2022-07-21 10:19:05,205 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2022-07-21 10:19:05,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:19:05,206 INFO L495 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2022-07-21 10:19:05,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2022-07-21 10:19:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-21 10:19:05,208 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:19:05,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:19:05,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 10:19:05,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:19:05,424 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:19:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:19:05,424 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2022-07-21 10:19:05,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:19:05,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827873067] [2022-07-21 10:19:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:19:05,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:19:05,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:19:05,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:19:05,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 10:19:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:19:07,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:19:07,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:19:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:19:07,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:19:07,418 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:19:07,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827873067] [2022-07-21 10:19:07,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827873067] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:19:07,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:19:07,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:19:07,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403027491] [2022-07-21 10:19:07,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:19:07,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:19:07,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:19:07,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:19:07,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:07,420 INFO L87 Difference]: Start difference. First operand 2485 states and 3575 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:07,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:19:07,977 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2022-07-21 10:19:07,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:19:07,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-21 10:19:07,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:19:08,003 INFO L225 Difference]: With dead ends: 7371 [2022-07-21 10:19:08,004 INFO L226 Difference]: Without dead ends: 4889 [2022-07-21 10:19:08,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:08,016 INFO L413 NwaCegarLoop]: 4640 mSDtfsCounter, 3566 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 8268 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 10:19:08,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3566 Valid, 8268 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 10:19:08,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2022-07-21 10:19:08,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2022-07-21 10:19:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3438 states have (on average 1.3539848749272834) internal successors, (4655), 3551 states have internal predecessors, (4655), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:19:08,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2022-07-21 10:19:08,193 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2022-07-21 10:19:08,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:19:08,193 INFO L495 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2022-07-21 10:19:08,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2022-07-21 10:19:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-21 10:19:08,194 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:19:08,194 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:19:08,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 10:19:08,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:19:08,413 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:19:08,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:19:08,414 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2022-07-21 10:19:08,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:19:08,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774688932] [2022-07-21 10:19:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:19:08,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:19:08,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:19:08,417 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:19:08,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 10:19:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:19:10,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:19:10,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:19:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:19:10,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:19:10,312 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:19:10,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774688932] [2022-07-21 10:19:10,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774688932] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:19:10,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:19:10,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:19:10,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103136022] [2022-07-21 10:19:10,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:19:10,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:19:10,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:19:10,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:19:10,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:10,314 INFO L87 Difference]: Start difference. First operand 4886 states and 7209 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:19:10,583 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2022-07-21 10:19:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:19:10,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-07-21 10:19:10,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:19:10,614 INFO L225 Difference]: With dead ends: 4888 [2022-07-21 10:19:10,615 INFO L226 Difference]: Without dead ends: 4885 [2022-07-21 10:19:10,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:10,622 INFO L413 NwaCegarLoop]: 3572 mSDtfsCounter, 3565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 10:19:10,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 3572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 10:19:10,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2022-07-21 10:19:10,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2022-07-21 10:19:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 3438 states have (on average 1.3536940081442699) internal successors, (4654), 3550 states have internal predecessors, (4654), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:19:10,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2022-07-21 10:19:10,809 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2022-07-21 10:19:10,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:19:10,809 INFO L495 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2022-07-21 10:19:10,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2022-07-21 10:19:10,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-21 10:19:10,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:19:10,810 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:19:10,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 10:19:11,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:19:11,028 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:19:11,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:19:11,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2022-07-21 10:19:11,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:19:11,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456406886] [2022-07-21 10:19:11,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:19:11,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:19:11,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:19:11,044 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:19:11,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 10:19:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:19:12,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:19:12,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:19:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:19:13,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:19:13,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:19:13,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456406886] [2022-07-21 10:19:13,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456406886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:19:13,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:19:13,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:19:13,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801332048] [2022-07-21 10:19:13,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:19:13,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:19:13,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:19:13,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:19:13,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:13,159 INFO L87 Difference]: Start difference. First operand 4885 states and 7207 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:13,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:19:13,430 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2022-07-21 10:19:13,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:19:13,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2022-07-21 10:19:13,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:19:13,461 INFO L225 Difference]: With dead ends: 4887 [2022-07-21 10:19:13,463 INFO L226 Difference]: Without dead ends: 4884 [2022-07-21 10:19:13,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:13,473 INFO L413 NwaCegarLoop]: 3570 mSDtfsCounter, 3562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3562 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 10:19:13,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3562 Valid, 3570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 10:19:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2022-07-21 10:19:13,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2022-07-21 10:19:13,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 3438 states have (on average 1.3534031413612566) internal successors, (4653), 3549 states have internal predecessors, (4653), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:19:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2022-07-21 10:19:13,693 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2022-07-21 10:19:13,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:19:13,693 INFO L495 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2022-07-21 10:19:13,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:13,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2022-07-21 10:19:13,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-21 10:19:13,695 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:19:13,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:19:13,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 10:19:13,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:19:13,915 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:19:13,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:19:13,916 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2022-07-21 10:19:13,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:19:13,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351598073] [2022-07-21 10:19:13,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:19:13,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:19:13,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:19:13,920 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:19:13,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 10:19:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:19:15,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:19:15,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:19:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:19:15,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:19:15,852 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:19:15,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351598073] [2022-07-21 10:19:15,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351598073] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:19:15,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:19:15,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:19:15,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880858301] [2022-07-21 10:19:15,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:19:15,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:19:15,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:19:15,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:19:15,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:15,853 INFO L87 Difference]: Start difference. First operand 4884 states and 7205 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:19:16,101 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2022-07-21 10:19:16,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:19:16,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-07-21 10:19:16,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:19:16,148 INFO L225 Difference]: With dead ends: 4886 [2022-07-21 10:19:16,149 INFO L226 Difference]: Without dead ends: 4877 [2022-07-21 10:19:16,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:16,152 INFO L413 NwaCegarLoop]: 3569 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 10:19:16,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3559 Valid, 3569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 10:19:16,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2022-07-21 10:19:16,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2022-07-21 10:19:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3531468531468531) internal successors, (4644), 3542 states have internal predecessors, (4644), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:19:16,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2022-07-21 10:19:16,307 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2022-07-21 10:19:16,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:19:16,307 INFO L495 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2022-07-21 10:19:16,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:19:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2022-07-21 10:19:16,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-21 10:19:16,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:19:16,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:19:16,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 10:19:16,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:19:16,531 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:19:16,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:19:16,532 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2022-07-21 10:19:16,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:19:16,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629769304] [2022-07-21 10:19:16,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:19:16,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:19:16,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:19:16,556 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:19:16,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 10:19:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:19:18,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 10:19:18,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 10:19:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:19:18,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 10:19:18,464 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 10:19:18,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629769304] [2022-07-21 10:19:18,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629769304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:19:18,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:19:18,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:19:18,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320233426] [2022-07-21 10:19:18,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:19:18,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:19:18,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 10:19:18,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:19:18,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:18,465 INFO L87 Difference]: Start difference. First operand 4877 states and 7195 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 10:19:18,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:19:18,730 INFO L93 Difference]: Finished difference Result 9753 states and 14741 transitions. [2022-07-21 10:19:18,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:19:18,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 53 [2022-07-21 10:19:18,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:19:18,772 INFO L225 Difference]: With dead ends: 9753 [2022-07-21 10:19:18,773 INFO L226 Difference]: Without dead ends: 4879 [2022-07-21 10:19:18,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:19:18,805 INFO L413 NwaCegarLoop]: 3561 mSDtfsCounter, 0 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7115 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 10:19:18,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 10:19:18,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2022-07-21 10:19:19,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2022-07-21 10:19:19,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3513986013986015) internal successors, (4638), 3542 states have internal predecessors, (4638), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2022-07-21 10:19:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7189 transitions. [2022-07-21 10:19:19,049 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7189 transitions. Word has length 53 [2022-07-21 10:19:19,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:19:19,050 INFO L495 AbstractCegarLoop]: Abstraction has 4877 states and 7189 transitions. [2022-07-21 10:19:19,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-07-21 10:19:19,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7189 transitions. [2022-07-21 10:19:19,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-21 10:19:19,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:19:19,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:19:19,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 10:19:19,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 10:19:19,283 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:19:19,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:19:19,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2022-07-21 10:19:19,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 10:19:19,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608108094] [2022-07-21 10:19:19,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:19:19,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 10:19:19,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 10:19:19,291 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 10:19:19,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process