./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:45:23,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:45:23,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:45:24,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:45:24,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:45:24,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:45:24,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:45:24,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:45:24,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:45:24,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:45:24,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:45:24,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:45:24,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:45:24,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:45:24,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:45:24,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:45:24,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:45:24,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:45:24,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:45:24,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:45:24,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:45:24,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:45:24,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:45:24,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:45:24,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:45:24,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:45:24,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:45:24,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:45:24,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:45:24,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:45:24,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:45:24,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:45:24,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:45:24,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:45:24,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:45:24,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:45:24,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:45:24,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:45:24,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:45:24,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:45:24,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:45:24,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:45:24,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:45:24,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:45:24,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:45:24,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:45:24,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:45:24,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:45:24,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:45:24,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:45:24,113 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:45:24,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:45:24,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:45:24,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:45:24,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:45:24,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:45:24,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:45:24,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:45:24,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:45:24,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:45:24,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:45:24,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:45:24,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:45:24,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:45:24,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:45:24,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:45:24,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:45:24,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:45:24,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:45:24,125 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:45:24,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:45:24,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:45:24,126 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-11-02 20:45:24,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:45:24,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:45:24,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:45:24,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:45:24,496 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:45:24,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-11-02 20:45:24,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data/3977337dd/203dc58fd5b2489b913a0ca44d6a7b16/FLAG3acb6ee7b [2022-11-02 20:45:25,569 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:45:25,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-11-02 20:45:25,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data/3977337dd/203dc58fd5b2489b913a0ca44d6a7b16/FLAG3acb6ee7b [2022-11-02 20:45:25,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data/3977337dd/203dc58fd5b2489b913a0ca44d6a7b16 [2022-11-02 20:45:25,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:45:25,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:45:25,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:25,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:45:25,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:45:25,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:25" (1/1) ... [2022-11-02 20:45:25,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b0fa3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:25, skipping insertion in model container [2022-11-02 20:45:25,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:45:25" (1/1) ... [2022-11-02 20:45:25,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:45:26,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:45:29,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-11-02 20:45:29,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:29,490 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:45:30,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-11-02 20:45:30,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:45:30,228 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:45:30,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30 WrapperNode [2022-11-02 20:45:30,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:45:30,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:30,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:45:30,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:45:30,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:30,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:30,702 INFO L138 Inliner]: procedures = 399, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 7164 [2022-11-02 20:45:30,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:45:30,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:45:30,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:45:30,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:45:30,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:30,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:30,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:30,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:31,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:31,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:31,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:31,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:31,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:45:31,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:45:31,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:45:31,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:45:31,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (1/1) ... [2022-11-02 20:45:31,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:45:31,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:45:31,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:45:31,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:45:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-11-02 20:45:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-11-02 20:45:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-11-02 20:45:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-11-02 20:45:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-11-02 20:45:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-11-02 20:45:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:45:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:45:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:45:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:45:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:45:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:45:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:45:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:45:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-02 20:45:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-02 20:45:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:45:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:45:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-02 20:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-02 20:45:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:45:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-11-02 20:45:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-11-02 20:45:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-11-02 20:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-11-02 20:45:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 20:45:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-02 20:45:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-02 20:45:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-11-02 20:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-11-02 20:45:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-02 20:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-02 20:45:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-11-02 20:45:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-11-02 20:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-11-02 20:45:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-11-02 20:45:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:45:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-02 20:45:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-02 20:45:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:45:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:45:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-11-02 20:45:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-11-02 20:45:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-11-02 20:45:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-11-02 20:45:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-11-02 20:45:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-11-02 20:45:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:45:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:45:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-02 20:45:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-02 20:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:45:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:45:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:45:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-11-02 20:45:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-11-02 20:45:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:45:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-11-02 20:45:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-11-02 20:45:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:45:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:45:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:45:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-11-02 20:45:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-11-02 20:45:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-11-02 20:45:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-11-02 20:45:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:45:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-11-02 20:45:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-11-02 20:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-02 20:45:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-02 20:45:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:45:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:45:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:45:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:45:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-11-02 20:45:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-11-02 20:45:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-02 20:45:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-02 20:45:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-11-02 20:45:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-11-02 20:45:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-02 20:45:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-02 20:45:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-11-02 20:45:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-11-02 20:45:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:45:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-02 20:45:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-02 20:45:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:45:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-02 20:45:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-02 20:45:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:45:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:45:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:45:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:45:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-11-02 20:45:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-11-02 20:45:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-11-02 20:45:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-11-02 20:45:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-02 20:45:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-02 20:45:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-02 20:45:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-02 20:45:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-11-02 20:45:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-11-02 20:45:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:45:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:45:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-02 20:45:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-02 20:45:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-11-02 20:45:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-11-02 20:45:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:45:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:45:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-02 20:45:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-02 20:45:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-02 20:45:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-02 20:45:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:45:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:45:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-11-02 20:45:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-11-02 20:45:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-11-02 20:45:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-11-02 20:45:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:45:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:45:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-02 20:45:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-02 20:45:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-11-02 20:45:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-11-02 20:45:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 20:45:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 20:45:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:45:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:45:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-02 20:45:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-02 20:45:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-11-02 20:45:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-11-02 20:45:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-11-02 20:45:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-11-02 20:45:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-02 20:45:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-02 20:45:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-11-02 20:45:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-11-02 20:45:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-11-02 20:45:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-11-02 20:45:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-11-02 20:45:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-11-02 20:45:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-11-02 20:45:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-11-02 20:45:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:45:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:45:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-02 20:45:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-02 20:45:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-02 20:45:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-02 20:45:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:45:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:45:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:45:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:45:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-02 20:45:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-02 20:45:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-11-02 20:45:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-11-02 20:45:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:45:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:45:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-11-02 20:45:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-11-02 20:45:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:45:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:45:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-02 20:45:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-02 20:45:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:45:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:45:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-02 20:45:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-02 20:45:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-11-02 20:45:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-11-02 20:45:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:45:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:45:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-11-02 20:45:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-11-02 20:45:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:45:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:45:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:45:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:45:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:45:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-11-02 20:45:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-11-02 20:45:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:45:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-11-02 20:45:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-11-02 20:45:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-11-02 20:45:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-11-02 20:45:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-11-02 20:45:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-11-02 20:45:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-11-02 20:45:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-11-02 20:45:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-11-02 20:45:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-11-02 20:45:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:45:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-02 20:45:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-02 20:45:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:45:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:45:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-02 20:45:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-02 20:45:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-11-02 20:45:31,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-11-02 20:45:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-02 20:45:31,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-02 20:45:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-11-02 20:45:31,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-11-02 20:45:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-11-02 20:45:31,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-11-02 20:45:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-11-02 20:45:31,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-11-02 20:45:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-02 20:45:31,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-02 20:45:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-11-02 20:45:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-11-02 20:45:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:45:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:45:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-11-02 20:45:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-11-02 20:45:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-02 20:45:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-02 20:45:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-02 20:45:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-02 20:45:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-11-02 20:45:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-11-02 20:45:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-11-02 20:45:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-11-02 20:45:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-11-02 20:45:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-11-02 20:45:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-11-02 20:45:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-11-02 20:45:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:45:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:45:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-02 20:45:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-02 20:45:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:45:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:45:31,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:45:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-02 20:45:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-02 20:45:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-02 20:45:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-02 20:45:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-02 20:45:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-02 20:45:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-11-02 20:45:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-11-02 20:45:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:45:31,552 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:45:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-02 20:45:31,553 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-02 20:45:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-11-02 20:45:31,553 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-11-02 20:45:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-02 20:45:31,553 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-02 20:45:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 20:45:31,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 20:45:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-11-02 20:45:31,554 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-11-02 20:45:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-11-02 20:45:31,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-11-02 20:45:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-02 20:45:31,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-02 20:45:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 20:45:31,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 20:45:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:45:31,555 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:45:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-11-02 20:45:31,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-11-02 20:45:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-11-02 20:45:31,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-11-02 20:45:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:45:31,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:45:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-11-02 20:45:31,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-11-02 20:45:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-02 20:45:31,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-02 20:45:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:45:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-11-02 20:45:31,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-11-02 20:45:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-11-02 20:45:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-11-02 20:45:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-11-02 20:45:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-11-02 20:45:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-02 20:45:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-02 20:45:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-02 20:45:31,559 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-02 20:45:32,832 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:45:32,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:45:49,986 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:45:50,005 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:45:50,005 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:45:50,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:50 BoogieIcfgContainer [2022-11-02 20:45:50,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:45:50,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:45:50,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:45:50,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:45:50,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:45:25" (1/3) ... [2022-11-02 20:45:50,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120fd5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:45:50, skipping insertion in model container [2022-11-02 20:45:50,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:45:30" (2/3) ... [2022-11-02 20:45:50,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120fd5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:45:50, skipping insertion in model container [2022-11-02 20:45:50,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:50" (3/3) ... [2022-11-02 20:45:50,019 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-11-02 20:45:50,037 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:45:50,038 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:45:50,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:45:50,137 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7885b535, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:45:50,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:45:50,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 2660 states, 1873 states have (on average 1.3678590496529632) internal successors, (2562), 1940 states have internal predecessors, (2562), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) [2022-11-02 20:45:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:45:50,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:45:50,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:50,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:45:50,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:50,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2022-11-02 20:45:50,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:50,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285528791] [2022-11-02 20:45:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:50,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:50,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285528791] [2022-11-02 20:45:50,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285528791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:50,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:50,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:50,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061787875] [2022-11-02 20:45:50,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:50,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:50,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:50,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:50,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:50,875 INFO L87 Difference]: Start difference. First operand has 2660 states, 1873 states have (on average 1.3678590496529632) internal successors, (2562), 1940 states have internal predecessors, (2562), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:51,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:51,401 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2022-11-02 20:45:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:51,403 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 [2022-11-02 20:45:51,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:45:51,476 INFO L225 Difference]: With dead ends: 7879 [2022-11-02 20:45:51,476 INFO L226 Difference]: Without dead ends: 5192 [2022-11-02 20:45:51,510 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 [2022-11-02 20:45:51,514 INFO L413 NwaCegarLoop]: 4702 mSDtfsCounter, 3828 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 8607 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:45:51,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 8607 Invalid, 18 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:45:51,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2022-11-02 20:45:51,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2022-11-02 20:45:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 3652 states have (on average 1.362541073384447) internal successors, (4976), 3776 states have internal predecessors, (4976), 1263 states have call successors, (1263), 275 states have call predecessors, (1263), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-11-02 20:45:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2022-11-02 20:45:52,022 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2022-11-02 20:45:52,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:45:52,023 INFO L495 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2022-11-02 20:45:52,024 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) [2022-11-02 20:45:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2022-11-02 20:45:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-02 20:45:52,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:45:52,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:52,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:45:52,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:45:52,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:52,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2022-11-02 20:45:52,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:52,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875593151] [2022-11-02 20:45:52,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:52,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:52,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:52,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875593151] [2022-11-02 20:45:52,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875593151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:52,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:52,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:52,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777677035] [2022-11-02 20:45:52,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:52,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:52,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:52,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:52,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:52,259 INFO L87 Difference]: Start difference. First operand 5189 states and 7691 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:52,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:52,486 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2022-11-02 20:45:52,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:52,486 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 [2022-11-02 20:45:52,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:45:52,517 INFO L225 Difference]: With dead ends: 5191 [2022-11-02 20:45:52,518 INFO L226 Difference]: Without dead ends: 5188 [2022-11-02 20:45:52,522 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 [2022-11-02 20:45:52,523 INFO L413 NwaCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:45:52,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 3813 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:45:52,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2022-11-02 20:45:52,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2022-11-02 20:45:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 3652 states have (on average 1.3622672508214677) internal successors, (4975), 3775 states have internal predecessors, (4975), 1262 states have call successors, (1262), 275 states have call predecessors, (1262), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-11-02 20:45:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2022-11-02 20:45:52,923 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2022-11-02 20:45:52,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:45:52,924 INFO L495 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2022-11-02 20:45:52,924 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) [2022-11-02 20:45:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2022-11-02 20:45:52,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:45:52,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:45:52,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:52,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:45:52,926 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:45:52,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:52,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2022-11-02 20:45:52,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:52,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231225898] [2022-11-02 20:45:52,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:52,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:53,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:53,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231225898] [2022-11-02 20:45:53,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231225898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:53,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:53,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:45:53,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225639120] [2022-11-02 20:45:53,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:53,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:45:53,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:53,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:45:53,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:45:53,190 INFO L87 Difference]: Start difference. First operand 5188 states and 7689 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:45:53,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:45:53,476 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2022-11-02 20:45:53,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:45:53,480 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 [2022-11-02 20:45:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:45:53,512 INFO L225 Difference]: With dead ends: 5190 [2022-11-02 20:45:53,512 INFO L226 Difference]: Without dead ends: 5183 [2022-11-02 20:45:53,517 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 [2022-11-02 20:45:53,523 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:45:53,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:45:53,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-11-02 20:45:53,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2022-11-02 20:45:53,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 3648 states have (on average 1.361842105263158) internal successors, (4968), 3770 states have internal predecessors, (4968), 1261 states have call successors, (1261), 275 states have call predecessors, (1261), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-11-02 20:45:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2022-11-02 20:45:53,855 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2022-11-02 20:45:53,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:45:53,856 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2022-11-02 20:45:53,857 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) [2022-11-02 20:45:53,857 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2022-11-02 20:45:53,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:45:53,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:45:53,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:45:53,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:45:53,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:45:53,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:45:53,872 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2022-11-02 20:45:53,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:45:53,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194440545] [2022-11-02 20:45:53,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:45:53,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:45:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:45:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:45:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:45:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:45:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:45:54,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:45:54,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194440545] [2022-11-02 20:45:54,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194440545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:45:54,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:45:54,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:45:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189651778] [2022-11-02 20:45:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:45:54,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:45:54,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:45:54,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:45:54,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:45:54,443 INFO L87 Difference]: Start difference. First operand 5183 states and 7681 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:45:58,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:46:01,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:46:09,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:46:09,914 INFO L93 Difference]: Finished difference Result 11142 states and 17254 transitions. [2022-11-02 20:46:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:46:09,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2022-11-02 20:46:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:46:09,954 INFO L225 Difference]: With dead ends: 11142 [2022-11-02 20:46:09,954 INFO L226 Difference]: Without dead ends: 5962 [2022-11-02 20:46:09,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:46:09,995 INFO L413 NwaCegarLoop]: 3669 mSDtfsCounter, 870 mSDsluCounter, 3800 mSDsCounter, 0 mSdLazyCounter, 3218 mSolverCounterSat, 768 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 7469 SdHoareTripleChecker+Invalid, 3988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 3218 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:46:09,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 7469 Invalid, 3988 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [768 Valid, 3218 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2022-11-02 20:46:10,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5962 states. [2022-11-02 20:46:10,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5962 to 5671. [2022-11-02 20:46:10,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5671 states, 3986 states have (on average 1.3587556447566482) internal successors, (5416), 4126 states have internal predecessors, (5416), 1341 states have call successors, (1341), 275 states have call predecessors, (1341), 343 states have return successors, (1850), 1363 states have call predecessors, (1850), 1337 states have call successors, (1850) [2022-11-02 20:46:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5671 states to 5671 states and 8607 transitions. [2022-11-02 20:46:10,419 INFO L78 Accepts]: Start accepts. Automaton has 5671 states and 8607 transitions. Word has length 55 [2022-11-02 20:46:10,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:46:10,419 INFO L495 AbstractCegarLoop]: Abstraction has 5671 states and 8607 transitions. [2022-11-02 20:46:10,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:46:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 5671 states and 8607 transitions. [2022-11-02 20:46:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-02 20:46:10,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:46:10,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:46:10,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:46:10,430 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:46:10,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:46:10,430 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2022-11-02 20:46:10,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:46:10,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487772905] [2022-11-02 20:46:10,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:46:10,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:46:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:10,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:46:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:46:11,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:46:11,034 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:46:11,035 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:46:11,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:46:11,042 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:46:11,046 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:46:11,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:46:11 BoogieIcfgContainer [2022-11-02 20:46:11,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:46:11,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:46:11,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:46:11,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:46:11,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:45:50" (3/4) ... [2022-11-02 20:46:11,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:46:11,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:46:11,202 INFO L158 Benchmark]: Toolchain (without parser) took 45246.28ms. Allocated memory was 123.7MB in the beginning and 1.0GB in the end (delta: 893.4MB). Free memory was 88.9MB in the beginning and 498.7MB in the end (delta: -409.8MB). Peak memory consumption was 484.1MB. Max. memory is 16.1GB. [2022-11-02 20:46:11,202 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:46:11,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4272.16ms. Allocated memory was 123.7MB in the beginning and 211.8MB in the end (delta: 88.1MB). Free memory was 88.9MB in the beginning and 123.0MB in the end (delta: -34.1MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. [2022-11-02 20:46:11,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 478.60ms. Allocated memory is still 211.8MB. Free memory was 123.0MB in the beginning and 108.3MB in the end (delta: 14.7MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2022-11-02 20:46:11,206 INFO L158 Benchmark]: Boogie Preprocessor took 583.19ms. Allocated memory was 211.8MB in the beginning and 373.3MB in the end (delta: 161.5MB). Free memory was 108.3MB in the beginning and 245.7MB in the end (delta: -137.4MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-11-02 20:46:11,207 INFO L158 Benchmark]: RCFGBuilder took 18714.94ms. Allocated memory was 373.3MB in the beginning and 746.6MB in the end (delta: 373.3MB). Free memory was 245.7MB in the beginning and 258.4MB in the end (delta: -12.7MB). Peak memory consumption was 430.8MB. Max. memory is 16.1GB. [2022-11-02 20:46:11,207 INFO L158 Benchmark]: TraceAbstraction took 21183.36ms. Allocated memory was 746.6MB in the beginning and 1.0GB in the end (delta: 270.5MB). Free memory was 258.4MB in the beginning and 499.7MB in the end (delta: -241.3MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-02 20:46:11,210 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 1.0GB. Free memory was 499.7MB in the beginning and 498.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:46:11,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4272.16ms. Allocated memory was 123.7MB in the beginning and 211.8MB in the end (delta: 88.1MB). Free memory was 88.9MB in the beginning and 123.0MB in the end (delta: -34.1MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 478.60ms. Allocated memory is still 211.8MB. Free memory was 123.0MB in the beginning and 108.3MB in the end (delta: 14.7MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 583.19ms. Allocated memory was 211.8MB in the beginning and 373.3MB in the end (delta: 161.5MB). Free memory was 108.3MB in the beginning and 245.7MB in the end (delta: -137.4MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * RCFGBuilder took 18714.94ms. Allocated memory was 373.3MB in the beginning and 746.6MB in the end (delta: 373.3MB). Free memory was 245.7MB in the beginning and 258.4MB in the end (delta: -12.7MB). Peak memory consumption was 430.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21183.36ms. Allocated memory was 746.6MB in the beginning and 1.0GB in the end (delta: 270.5MB). Free memory was 258.4MB in the beginning and 499.7MB in the end (delta: -241.3MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 1.0GB. Free memory was 499.7MB in the beginning and 498.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13398]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12414, overapproximation of bitwiseAnd at line 11962. Possible FailurePath: [L7468] static bool ap_mode_default ; [L7469-L7483] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7484-L7497] static struct ieee80211_rate const mwl8k_rates_24[13U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L7498-L7501] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {1, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}, {1, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL}}; [L7502-L7510] static struct ieee80211_rate const mwl8k_rates_50[8U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}}; [L8149] static struct rxd_ops rxd_ap_ops = {32, & mwl8k_rxd_ap_init, & mwl8k_rxd_ap_refill, & mwl8k_rxd_ap_process}; [L8226] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L12378-L12384] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, 0, 0, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12414-L12421] static struct mwl8k_device_info mwl8k_info_tbl[4U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-3.fw", & rxd_ap_ops, 3U}, {(char *)"88w8764", 0, 0, (char *)"mwl8k/fmimage_8764_ap-1.fw", & rxd_ap_ops, 1U}}; [L12422] struct pci_device_id const __mod_pci_device_table ; [L12804-L12805] static struct ieee80211_iface_limit const ap_if_limits[2U] = { {8U, 8U}, {1U, 4U}}; [L12806-L12807] static struct ieee80211_iface_combination const ap_if_comb = {(struct ieee80211_iface_limit const *)(& ap_if_limits), 1U, 8U, 2U, (_Bool)0, (unsigned char)0}; [L13105] int LDV_IN_INTERRUPT ; [L13408] static int ldv_mutex_fw_mutex_of_mwl8k_priv ; [L13515] static int ldv_mutex_lock ; [L13622] static int ldv_mutex_mutex_of_device ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_fw_mutex_of_mwl8k_priv=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13108] void *var_mwl8k_rxd_ap_init_13_p0 ; [L13109] dma_addr_t var_mwl8k_rxd_ap_init_13_p1 ; [L13110] void *var_mwl8k_rxd_ap_refill_14_p0 ; [L13111] dma_addr_t var_mwl8k_rxd_ap_refill_14_p1 ; [L13112] int var_mwl8k_rxd_ap_refill_14_p2 ; [L13113] void *var_mwl8k_rxd_ap_process_15_p0 ; [L13114] struct ieee80211_rx_status *var_group1 ; [L13115] __le16 *var_mwl8k_rxd_ap_process_15_p2 ; [L13116] s8 *var_mwl8k_rxd_ap_process_15_p3 ; [L13117] void *var_mwl8k_rxd_sta_init_16_p0 ; [L13118] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L13119] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L13120] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L13121] int var_mwl8k_rxd_sta_refill_17_p2 ; [L13122] void *var_mwl8k_rxd_sta_process_18_p0 ; [L13123] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L13124] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L13125] struct ieee80211_hw *var_group2 ; [L13126] struct ieee80211_tx_control *var_group3 ; [L13127] struct sk_buff *var_mwl8k_tx_100_p2 ; [L13128] struct ieee80211_vif *var_group4 ; [L13129] u32 var_mwl8k_config_107_p1 ; [L13130] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_110_p2 ; [L13131] u32 var_mwl8k_bss_info_changed_110_p3 ; [L13132] struct netdev_hw_addr_list *var_group5 ; [L13133] unsigned int var_mwl8k_configure_filter_114_p1 ; [L13134] unsigned int *var_mwl8k_configure_filter_114_p2 ; [L13135] u64 var_mwl8k_configure_filter_114_p3 ; [L13136] enum set_key_cmd var_mwl8k_set_key_94_p1 ; [L13137] struct ieee80211_vif *var_mwl8k_set_key_94_p2 ; [L13138] struct ieee80211_sta *var_mwl8k_set_key_94_p3 ; [L13139] struct ieee80211_key_conf *var_mwl8k_set_key_94_p4 ; [L13140] u32 var_mwl8k_set_rts_threshold_115_p1 ; [L13141] struct ieee80211_sta *var_mwl8k_sta_add_117_p2 ; [L13142] struct ieee80211_sta *var_mwl8k_sta_remove_116_p2 ; [L13143] u16 var_mwl8k_conf_tx_118_p2 ; [L13144] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_118_p3 ; [L13145] struct ieee80211_low_level_stats *var_group6 ; [L13146] int var_mwl8k_get_survey_120_p1 ; [L13147] struct survey_info *var_mwl8k_get_survey_120_p2 ; [L13148] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_121_p2 ; [L13149] struct ieee80211_sta *var_mwl8k_ampdu_action_121_p3 ; [L13150] u16 var_mwl8k_ampdu_action_121_p4 ; [L13151] u16 *var_mwl8k_ampdu_action_121_p5 ; [L13152] u8 var_mwl8k_ampdu_action_121_p6 ; [L13153] struct pci_dev *var_group7 ; [L13154] struct pci_device_id const *var_mwl8k_probe_130_p1 ; [L13155] int res_mwl8k_probe_130 ; [L13156] int var_mwl8k_interrupt_97_p0 ; [L13157] void *var_mwl8k_interrupt_97_p1 ; [L13158] int ldv_s_mwl8k_driver_pci_driver ; [L13159] int tmp ; [L13160] int tmp___0 ; [L13162] ldv_s_mwl8k_driver_pci_driver = 0 [L13163] LDV_IN_INTERRUPT = 1 [L13164] CALL ldv_initialize() [L13732] ldv_mutex_fw_mutex_of_mwl8k_priv = 1 [L13733] ldv_mutex_lock = 1 [L13734] ldv_mutex_mutex_of_device = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13164] RET ldv_initialize() [L13302] tmp___0 = __VERIFIER_nondet_int() [L13303] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp___0=1] [L13167] tmp = __VERIFIER_nondet_int() [L13169] case 0: [L13173] case 1: [L13178] case 2: [L13183] case 3: [L13187] case 4: [L13192] case 5: [L13197] case 6: [L13201] case 7: [L13205] case 8: [L13209] case 9: [L13213] case 10: [L13217] case 11: [L13221] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=12, tmp___0=1] [L13222] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=12, tmp___0=1] [L13223-L13224] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_110_p2, var_mwl8k_bss_info_changed_110_p3) [L11975] EXPR vif->type VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5250}, vif={5242:5250}, vif->type=-4294967293] [L11975] COND FALSE !((unsigned int )vif->type == 2U) [L11979] EXPR vif->type VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5250}, vif={5242:5250}, vif->type=-4294967293] [L11979] COND TRUE (unsigned int )vif->type == 3U [L11980] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11920] int rc ; [L11921] int tmp ; [L11922] int idx ; [L11923] int rate ; [L11924] struct sk_buff *skb ; VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5250}, vif={5242:5250}] [L11926] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9337] struct mwl8k_priv *priv ; [L9338] int rc ; [L9339] struct task_struct *tmp ; [L9341] EXPR hw->priv [L9341] priv = (struct mwl8k_priv *)hw->priv [L9342] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L6467] struct task_struct *pfo_ret__ ; [L6470] case 1UL: [L6473] case 2UL: [L6476] case 4UL: [L6479] case 8UL: VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L6486] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, pfo_ret__={0:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9342] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, get_current()={0:0}, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5251:-1526}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9342] tmp = get_current() [L9343] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5251:-1526}, priv->fw_mutex_owner={0:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [L9343] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L9359] EXPR priv->fw_mutex_depth [L9359] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L9360] return (0); VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5251:-1526}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp={0:0}] [L11926] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, vif={5242:5250}, vif={5242:5250}] [L11926] tmp = mwl8k_fw_lock(hw) [L11927] COND FALSE !(tmp != 0) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11931] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11939] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11953] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11962] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5247, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, changed=5247, hw={5241:0}, hw={5241:0}, info={5244:5246}, info={5244:5246}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}, tmp=0, vif={5242:5250}, vif={5242:5250}] [L11967] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9365] struct mwl8k_priv *priv ; [L9367] EXPR hw->priv [L9367] priv = (struct mwl8k_priv *)hw->priv [L9368] EXPR priv->fw_mutex_depth [L9368] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L9369] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5251:-1526}, priv->fw_mutex_depth=0, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9369] COND TRUE priv->fw_mutex_depth == 0 [L9370] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, priv={5251:-1526}, priv->hw_restart_in_progress=-255, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L9370] COND FALSE !(! priv->hw_restart_in_progress) [L9374] priv->fw_mutex_owner = 0 [L9375] CALL ldv_mutex_unlock_8(& priv->fw_mutex) [L13376] CALL ldv_mutex_unlock_fw_mutex_of_mwl8k_priv(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, lock={5251:0}, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13507] COND FALSE !(ldv_mutex_fw_mutex_of_mwl8k_priv == 2) VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, lock={5251:0}, lock={5251:0}, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13509] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] [L13398] reach_error() VAL [\old(ldv_mutex_fw_mutex_of_mwl8k_priv)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_if_comb={200:0}, ap_if_limits={199:0}, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_fw_mutex_of_mwl8k_priv=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, mwl8k_channels_24={191:0}, mwl8k_channels_50={193:0}, mwl8k_info_tbl={198:0}, mwl8k_ops={197:0}, mwl8k_rates_24={192:0}, mwl8k_rates_50={194:0}, rxd_ap_ops={195:0}, rxd_sta_ops={196:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 140 procedures, 2660 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 12392 SdHoareTripleChecker+Valid, 15.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12309 mSDsluCounter, 23701 SdHoareTripleChecker+Invalid, 13.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7705 mSDsCounter, 775 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3232 IncrementalHoareTripleChecker+Invalid, 4009 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 775 mSolverCounterUnsat, 15996 mSDtfsCounter, 3232 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5671occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 294 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:46:11,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:46:13,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:46:13,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:46:13,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:46:13,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:46:13,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:46:13,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:46:13,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:46:13,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:46:13,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:46:13,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:46:13,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:46:13,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:46:13,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:46:13,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:46:13,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:46:13,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:46:13,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:46:13,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:46:13,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:46:13,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:46:13,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:46:13,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:46:13,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:46:13,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:46:13,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:46:13,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:46:13,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:46:13,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:46:13,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:46:13,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:46:13,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:46:13,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:46:13,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:46:13,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:46:13,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:46:13,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:46:13,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:46:13,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:46:13,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:46:13,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:46:13,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:46:13,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:46:13,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:46:13,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:46:13,908 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:46:13,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:46:13,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:46:13,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:46:13,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:46:13,911 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:46:13,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:46:13,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:46:13,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:46:13,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:46:13,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:46:13,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:46:13,914 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:46:13,915 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:46:13,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:46:13,915 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:46:13,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:46:13,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:46:13,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:46:13,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:46:13,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:46:13,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:46:13,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:46:13,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:46:13,918 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:46:13,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:46:13,918 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:46:13,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:46:13,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:46:13,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:46:13,919 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b76be36f18ad21ad9f8bdc1086d9a5532c87a2c14457e790c7f2f104cdb0ee5 [2022-11-02 20:46:14,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:46:14,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:46:14,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:46:14,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:46:14,362 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:46:14,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-11-02 20:46:14,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data/b02a48651/8c786dc1031e4b719f3ddfae4b2c3099/FLAG15e3ed95f [2022-11-02 20:46:15,458 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:46:15,459 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-11-02 20:46:15,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data/b02a48651/8c786dc1031e4b719f3ddfae4b2c3099/FLAG15e3ed95f [2022-11-02 20:46:15,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/data/b02a48651/8c786dc1031e4b719f3ddfae4b2c3099 [2022-11-02 20:46:15,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:46:15,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:46:15,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:46:15,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:46:15,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:46:15,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:46:15" (1/1) ... [2022-11-02 20:46:15,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3039550f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:15, skipping insertion in model container [2022-11-02 20:46:15,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:46:15" (1/1) ... [2022-11-02 20:46:15,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:46:16,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:46:19,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-11-02 20:46:19,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:19,736 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-02 20:46:19,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:46:20,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-11-02 20:46:20,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:20,456 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:46:20,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i[385601,385614] [2022-11-02 20:46:20,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:46:21,140 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:46:21,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21 WrapperNode [2022-11-02 20:46:21,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:46:21,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:46:21,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:46:21,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:46:21,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:21,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:21,637 INFO L138 Inliner]: procedures = 414, calls = 3514, calls flagged for inlining = 185, calls inlined = 158, statements flattened = 6947 [2022-11-02 20:46:21,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:46:21,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:46:21,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:46:21,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:46:21,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:21,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:21,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:21,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:21,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:21,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:46:22,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:46:22,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:46:22,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:46:22,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (1/1) ... [2022-11-02 20:46:22,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:46:22,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:46:22,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:46:22,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:46:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-11-02 20:46:22,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-11-02 20:46:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-11-02 20:46:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-11-02 20:46:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-11-02 20:46:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-11-02 20:46:22,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:46:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:46:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:46:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:46:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:46:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:46:22,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:46:22,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:46:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-02 20:46:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-02 20:46:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:46:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:46:22,318 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-02 20:46:22,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-02 20:46:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:46:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:46:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-11-02 20:46:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-11-02 20:46:22,319 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-11-02 20:46:22,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-11-02 20:46:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 20:46:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-02 20:46:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-02 20:46:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-11-02 20:46:22,320 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-11-02 20:46:22,320 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-11-02 20:46:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-11-02 20:46:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-11-02 20:46:22,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-11-02 20:46:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-11-02 20:46:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-11-02 20:46:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:46:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:46:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:46:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-02 20:46:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 20:46:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-02 20:46:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-02 20:46:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-02 20:46:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-02 20:46:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:46:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:46:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-11-02 20:46:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-11-02 20:46:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-11-02 20:46:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-11-02 20:46:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-11-02 20:46:22,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-11-02 20:46:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:46:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:46:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-02 20:46:22,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-02 20:46:22,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:46:22,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:46:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-11-02 20:46:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex_of_mwl8k_priv [2022-11-02 20:46:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-11-02 20:46:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-11-02 20:46:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:46:22,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:46:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-11-02 20:46:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-11-02 20:46:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-11-02 20:46:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-11-02 20:46:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:46:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:46:22,332 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-11-02 20:46:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-11-02 20:46:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-02 20:46:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-02 20:46:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:46:22,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:46:22,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:46:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:46:22,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-11-02 20:46:22,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-11-02 20:46:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-02 20:46:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-02 20:46:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-11-02 20:46:22,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-11-02 20:46:22,335 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-02 20:46:22,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-02 20:46:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-11-02 20:46:22,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-11-02 20:46:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:46:22,337 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-02 20:46:22,338 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-02 20:46:22,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:46:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-02 20:46:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-02 20:46:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:46:22,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:46:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:46:22,339 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:46:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-02 20:46:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-02 20:46:22,340 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-11-02 20:46:22,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-11-02 20:46:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-02 20:46:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-11-02 20:46:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-11-02 20:46:22,341 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-11-02 20:46:22,341 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-11-02 20:46:22,342 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-02 20:46:22,342 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-02 20:46:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-11-02 20:46:22,346 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-11-02 20:46:22,346 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:46:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:46:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-02 20:46:22,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-02 20:46:22,348 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-11-02 20:46:22,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-11-02 20:46:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-02 20:46:22,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:46:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:46:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-02 20:46:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-02 20:46:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-02 20:46:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-02 20:46:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-02 20:46:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-02 20:46:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-02 20:46:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-11-02 20:46:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-11-02 20:46:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-02 20:46:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-11-02 20:46:22,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-11-02 20:46:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 20:46:22,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:46:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-02 20:46:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:46:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-02 20:46:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-02 20:46:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-11-02 20:46:22,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-11-02 20:46:22,359 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-02 20:46:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-02 20:46:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:46:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:46:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-02 20:46:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-02 20:46:22,360 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-11-02 20:46:22,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-11-02 20:46:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-11-02 20:46:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-11-02 20:46:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-02 20:46:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-02 20:46:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-11-02 20:46:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-11-02 20:46:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-11-02 20:46:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-11-02 20:46:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-11-02 20:46:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-11-02 20:46:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-11-02 20:46:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-11-02 20:46:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:46:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:46:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-11-02 20:46:22,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-11-02 20:46:22,363 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-11-02 20:46:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-11-02 20:46:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:46:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:46:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:46:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:46:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-11-02 20:46:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-11-02 20:46:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-11-02 20:46:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-11-02 20:46:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:46:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:46:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-11-02 20:46:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-11-02 20:46:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:46:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:46:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-02 20:46:22,367 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-02 20:46:22,367 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:46:22,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:46:22,368 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-02 20:46:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-02 20:46:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-11-02 20:46:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-11-02 20:46:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:46:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:46:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-11-02 20:46:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-11-02 20:46:22,369 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:46:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:46:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:46:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:46:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:46:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-11-02 20:46:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-11-02 20:46:22,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:46:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-11-02 20:46:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-11-02 20:46:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-11-02 20:46:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-11-02 20:46:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-11-02 20:46:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-11-02 20:46:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-11-02 20:46:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-11-02 20:46:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-02 20:46:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-02 20:46:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-02 20:46:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-11-02 20:46:22,372 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-11-02 20:46:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 20:46:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:46:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-02 20:46:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-02 20:46:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:46:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:46:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-02 20:46:22,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-02 20:46:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-11-02 20:46:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-11-02 20:46:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-02 20:46:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-02 20:46:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-11-02 20:46:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-11-02 20:46:22,374 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-11-02 20:46:22,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-11-02 20:46:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-11-02 20:46:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-11-02 20:46:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-02 20:46:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-11-02 20:46:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-11-02 20:46:22,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-11-02 20:46:22,375 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:46:22,376 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:46:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-11-02 20:46:22,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-11-02 20:46:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-11-02 20:46:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-11-02 20:46:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-02 20:46:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-02 20:46:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-11-02 20:46:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-11-02 20:46:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-11-02 20:46:22,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-11-02 20:46:22,382 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-11-02 20:46:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-11-02 20:46:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-11-02 20:46:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-11-02 20:46:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:46:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:46:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-02 20:46:22,383 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-02 20:46:22,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-02 20:46:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-02 20:46:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-02 20:46:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-02 20:46:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:46:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:46:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-02 20:46:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-02 20:46:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-11-02 20:46:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-11-02 20:46:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-02 20:46:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-02 20:46:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-11-02 20:46:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-11-02 20:46:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:46:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:46:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-02 20:46:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-02 20:46:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-11-02 20:46:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-11-02 20:46:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-02 20:46:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-02 20:46:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 20:46:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 20:46:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-11-02 20:46:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-11-02 20:46:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-11-02 20:46:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-11-02 20:46:22,387 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-02 20:46:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-02 20:46:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 20:46:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 20:46:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:46:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:46:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-11-02 20:46:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-11-02 20:46:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-11-02 20:46:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-11-02 20:46:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:46:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:46:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-11-02 20:46:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-11-02 20:46:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-02 20:46:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-02 20:46:22,389 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-11-02 20:46:22,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-11-02 20:46:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-11-02 20:46:22,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-11-02 20:46:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-11-02 20:46:22,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-11-02 20:46:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-02 20:46:22,390 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-02 20:46:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-11-02 20:46:22,391 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-11-02 20:46:23,631 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:46:23,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:48:19,292 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:48:19,330 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:48:19,342 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:48:19,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:19 BoogieIcfgContainer [2022-11-02 20:48:19,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:48:19,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:48:19,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:48:19,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:48:19,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:46:15" (1/3) ... [2022-11-02 20:48:19,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d52a9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:48:19, skipping insertion in model container [2022-11-02 20:48:19,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:46:21" (2/3) ... [2022-11-02 20:48:19,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d52a9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:48:19, skipping insertion in model container [2022-11-02 20:48:19,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:19" (3/3) ... [2022-11-02 20:48:19,362 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--wireless--mwl8k.ko-ldv_main0.cil.out.i [2022-11-02 20:48:19,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:48:19,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:48:19,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:48:19,498 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70009e80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:48:19,498 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:48:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 2660 states, 1873 states have (on average 1.3678590496529632) internal successors, (2562), 1940 states have internal predecessors, (2562), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) [2022-11-02 20:48:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-02 20:48:19,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:19,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:19,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:19,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:19,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1902675333, now seen corresponding path program 1 times [2022-11-02 20:48:19,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:19,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837566932] [2022-11-02 20:48:19,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:19,549 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:19,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:19,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:19,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:48:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:22,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1982 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:48:22,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:22,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:22,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:22,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837566932] [2022-11-02 20:48:22,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837566932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:22,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:22,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:48:22,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388751396] [2022-11-02 20:48:22,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:22,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:48:22,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:22,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:48:22,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:48:22,427 INFO L87 Difference]: Start difference. First operand has 2660 states, 1873 states have (on average 1.3678590496529632) internal successors, (2562), 1940 states have internal predecessors, (2562), 646 states have call successors, (646), 139 states have call predecessors, (646), 139 states have return successors, (646), 632 states have call predecessors, (646), 646 states have call successors, (646) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:23,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:23,211 INFO L93 Difference]: Finished difference Result 7879 states and 11977 transitions. [2022-11-02 20:48:23,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:48:23,213 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 [2022-11-02 20:48:23,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:23,279 INFO L225 Difference]: With dead ends: 7879 [2022-11-02 20:48:23,280 INFO L226 Difference]: Without dead ends: 5192 [2022-11-02 20:48:23,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:48:23,316 INFO L413 NwaCegarLoop]: 4617 mSDtfsCounter, 3828 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 8522 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:23,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 8522 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:48:23,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5192 states. [2022-11-02 20:48:23,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5192 to 5189. [2022-11-02 20:48:23,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 3652 states have (on average 1.362541073384447) internal successors, (4976), 3776 states have internal predecessors, (4976), 1263 states have call successors, (1263), 275 states have call predecessors, (1263), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-11-02 20:48:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7691 transitions. [2022-11-02 20:48:23,765 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7691 transitions. Word has length 9 [2022-11-02 20:48:23,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:23,766 INFO L495 AbstractCegarLoop]: Abstraction has 5189 states and 7691 transitions. [2022-11-02 20:48:23,766 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) [2022-11-02 20:48:23,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7691 transitions. [2022-11-02 20:48:23,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-02 20:48:23,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:23,768 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:23,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:23,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:23,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:23,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:23,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1147815645, now seen corresponding path program 1 times [2022-11-02 20:48:23,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:23,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062640075] [2022-11-02 20:48:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:23,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:23,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:24,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:24,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:48:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:26,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 1983 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:48:26,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:26,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:26,609 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:26,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062640075] [2022-11-02 20:48:26,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062640075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:26,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:26,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:48:26,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692562839] [2022-11-02 20:48:26,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:26,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:48:26,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:26,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:48:26,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:48:26,614 INFO L87 Difference]: Start difference. First operand 5189 states and 7691 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:27,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:27,120 INFO L93 Difference]: Finished difference Result 5191 states and 7692 transitions. [2022-11-02 20:48:27,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:48:27,121 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 [2022-11-02 20:48:27,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:27,164 INFO L225 Difference]: With dead ends: 5191 [2022-11-02 20:48:27,164 INFO L226 Difference]: Without dead ends: 5188 [2022-11-02 20:48:27,169 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 [2022-11-02 20:48:27,171 INFO L413 NwaCegarLoop]: 3813 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:27,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 3813 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:48:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5188 states. [2022-11-02 20:48:27,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5188 to 5188. [2022-11-02 20:48:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5188 states, 3652 states have (on average 1.3622672508214677) internal successors, (4975), 3775 states have internal predecessors, (4975), 1262 states have call successors, (1262), 275 states have call predecessors, (1262), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-11-02 20:48:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5188 states to 5188 states and 7689 transitions. [2022-11-02 20:48:27,656 INFO L78 Accepts]: Start accepts. Automaton has 5188 states and 7689 transitions. Word has length 10 [2022-11-02 20:48:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:27,656 INFO L495 AbstractCegarLoop]: Abstraction has 5188 states and 7689 transitions. [2022-11-02 20:48:27,656 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) [2022-11-02 20:48:27,657 INFO L276 IsEmpty]: Start isEmpty. Operand 5188 states and 7689 transitions. [2022-11-02 20:48:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:48:27,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:27,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:27,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:27,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:27,881 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:27,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1223750584, now seen corresponding path program 1 times [2022-11-02 20:48:27,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:27,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207709556] [2022-11-02 20:48:27,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:27,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:27,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:27,891 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:27,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:48:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:30,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:48:30,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:30,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:30,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:30,417 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:30,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207709556] [2022-11-02 20:48:30,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207709556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:30,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:30,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:48:30,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918145582] [2022-11-02 20:48:30,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:30,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:48:30,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:30,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:48:30,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:48:30,420 INFO L87 Difference]: Start difference. First operand 5188 states and 7689 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:48:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:30,871 INFO L93 Difference]: Finished difference Result 5190 states and 7690 transitions. [2022-11-02 20:48:30,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:48:30,897 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 [2022-11-02 20:48:30,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:30,931 INFO L225 Difference]: With dead ends: 5190 [2022-11-02 20:48:30,932 INFO L226 Difference]: Without dead ends: 5183 [2022-11-02 20:48:30,938 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 [2022-11-02 20:48:30,941 INFO L413 NwaCegarLoop]: 3812 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 3812 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:30,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 3812 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:48:30,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-11-02 20:48:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2022-11-02 20:48:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 3648 states have (on average 1.361842105263158) internal successors, (4968), 3770 states have internal predecessors, (4968), 1261 states have call successors, (1261), 275 states have call predecessors, (1261), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-11-02 20:48:31,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7681 transitions. [2022-11-02 20:48:31,437 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7681 transitions. Word has length 11 [2022-11-02 20:48:31,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:31,437 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7681 transitions. [2022-11-02 20:48:31,438 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) [2022-11-02 20:48:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7681 transitions. [2022-11-02 20:48:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:48:31,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:31,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:31,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:31,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:31,673 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:31,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:31,673 INFO L85 PathProgramCache]: Analyzing trace with hash 914557151, now seen corresponding path program 1 times [2022-11-02 20:48:31,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:31,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450424115] [2022-11-02 20:48:31,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:31,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:31,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:31,682 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:31,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:48:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:34,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 2159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:48:34,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:48:34,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:48:34,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:48:34,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:48:34,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450424115] [2022-11-02 20:48:34,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450424115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:34,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:34,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:48:34,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425091549] [2022-11-02 20:48:34,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:34,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:48:34,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:48:34,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:48:34,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:48:34,097 INFO L87 Difference]: Start difference. First operand 5183 states and 7681 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:48:34,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:48:34,597 INFO L93 Difference]: Finished difference Result 10365 states and 15741 transitions. [2022-11-02 20:48:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:48:34,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2022-11-02 20:48:34,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:48:34,642 INFO L225 Difference]: With dead ends: 10365 [2022-11-02 20:48:34,643 INFO L226 Difference]: Without dead ends: 5185 [2022-11-02 20:48:34,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:48:34,698 INFO L413 NwaCegarLoop]: 3805 mSDtfsCounter, 0 mSDsluCounter, 3798 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7603 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:48:34,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7603 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:48:34,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2022-11-02 20:48:35,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5183. [2022-11-02 20:48:35,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 3648 states have (on average 1.3601973684210527) internal successors, (4962), 3770 states have internal predecessors, (4962), 1261 states have call successors, (1261), 275 states have call predecessors, (1261), 273 states have return successors, (1452), 1229 states have call predecessors, (1452), 1257 states have call successors, (1452) [2022-11-02 20:48:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7675 transitions. [2022-11-02 20:48:35,107 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7675 transitions. Word has length 55 [2022-11-02 20:48:35,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:48:35,108 INFO L495 AbstractCegarLoop]: Abstraction has 5183 states and 7675 transitions. [2022-11-02 20:48:35,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:48:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7675 transitions. [2022-11-02 20:48:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-02 20:48:35,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:35,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:35,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:48:35,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:48:35,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:35,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:35,341 INFO L85 PathProgramCache]: Analyzing trace with hash -683062343, now seen corresponding path program 1 times [2022-11-02 20:48:35,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:48:35,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584733252] [2022-11-02 20:48:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:35,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:48:35,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:48:35,347 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:48:35,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cefa576-b0c5-45ac-bfc1-79b26afbef84/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process