./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:38:41,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:38:41,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:38:41,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:38:41,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:38:41,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:38:41,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:38:41,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:38:41,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:38:41,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:38:41,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:38:41,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:38:41,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:38:41,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:38:41,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:38:41,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:38:41,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:38:41,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:38:41,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:38:41,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:38:41,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:38:41,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:38:41,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:38:41,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:38:41,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:38:41,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:38:41,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:38:41,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:38:41,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:38:41,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:38:41,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:38:41,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:38:41,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:38:41,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:38:41,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:38:41,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:38:41,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:38:41,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:38:41,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:38:41,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:38:41,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:38:41,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 23:38:41,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:38:41,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:38:41,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:38:41,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:38:41,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:38:41,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:38:41,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:38:41,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:38:41,340 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:38:41,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:38:41,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:38:41,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:38:41,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:38:41,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:38:41,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:38:41,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:38:41,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:38:41,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:38:41,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:38:41,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:38:41,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:38:41,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:38:41,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:38:41,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:38:41,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:38:41,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:38:41,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:38:41,343 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:38:41,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:38:41,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:38:41,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:38:41,344 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_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2021-12-06 23:38:41,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:38:41,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:38:41,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:38:41,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:38:41,548 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:38:41,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-12-06 23:38:41,601 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data/1923805ad/16d15951210041089965f569e73c1880/FLAG66aa6d427 [2021-12-06 23:38:42,258 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:38:42,258 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-12-06 23:38:42,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data/1923805ad/16d15951210041089965f569e73c1880/FLAG66aa6d427 [2021-12-06 23:38:42,644 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data/1923805ad/16d15951210041089965f569e73c1880 [2021-12-06 23:38:42,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:38:42,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:38:42,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:38:42,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:38:42,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:38:42,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:38:42" (1/1) ... [2021-12-06 23:38:42,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b00e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:42, skipping insertion in model container [2021-12-06 23:38:42,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:38:42" (1/1) ... [2021-12-06 23:38:42,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:38:42,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:38:45,063 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_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-12-06 23:38:45,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:38:45,211 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:38:45,559 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_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-12-06 23:38:45,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:38:45,669 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:38:45,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45 WrapperNode [2021-12-06 23:38:45,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:38:45,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:38:45,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:38:45,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:38:45,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:45,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:45,924 INFO L137 Inliner]: procedures = 415, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 7107 [2021-12-06 23:38:45,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:38:45,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:38:45,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:38:45,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:38:45,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:45,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:45,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:45,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:46,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:46,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:46,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:46,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:38:46,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:38:46,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:38:46,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:38:46,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (1/1) ... [2021-12-06 23:38:46,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:38:46,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:38:46,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:38:46,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:38:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-12-06 23:38:46,315 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-12-06 23:38:46,315 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-12-06 23:38:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-12-06 23:38:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 23:38:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 23:38:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 23:38:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 23:38:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 23:38:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 23:38:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 23:38:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 23:38:46,316 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-06 23:38:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-06 23:38:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 23:38:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 23:38:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2021-12-06 23:38:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2021-12-06 23:38:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-06 23:38:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-06 23:38:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 23:38:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 23:38:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-12-06 23:38:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-12-06 23:38:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 23:38:46,317 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-06 23:38:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-06 23:38:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-12-06 23:38:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-12-06 23:38:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-12-06 23:38:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-12-06 23:38:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-12-06 23:38:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-12-06 23:38:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 23:38:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 23:38:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2021-12-06 23:38:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2021-12-06 23:38:46,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:38:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 23:38:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 23:38:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 23:38:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 23:38:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-12-06 23:38:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-12-06 23:38:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-12-06 23:38:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-12-06 23:38:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-12-06 23:38:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-12-06 23:38:46,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 23:38:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 23:38:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-06 23:38:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-06 23:38:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 23:38:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 23:38:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 23:38:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 23:38:46,320 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-12-06 23:38:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-12-06 23:38:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:38:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 23:38:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 23:38:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-12-06 23:38:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-12-06 23:38:46,321 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-12-06 23:38:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-12-06 23:38:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 23:38:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 23:38:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-12-06 23:38:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-12-06 23:38:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-06 23:38:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-06 23:38:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 23:38:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 23:38:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 23:38:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 23:38:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-06 23:38:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-06 23:38:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-12-06 23:38:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-12-06 23:38:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-06 23:38:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-06 23:38:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-12-06 23:38:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-12-06 23:38:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:38:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 23:38:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 23:38:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:38:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-06 23:38:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-06 23:38:46,324 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 23:38:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 23:38:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:38:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 23:38:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-12-06 23:38:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-12-06 23:38:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-12-06 23:38:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-12-06 23:38:46,325 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-06 23:38:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-06 23:38:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-06 23:38:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-06 23:38:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-12-06 23:38:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-12-06 23:38:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 23:38:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 23:38:46,326 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-06 23:38:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-06 23:38:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-12-06 23:38:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-12-06 23:38:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:38:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:38:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-06 23:38:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-06 23:38:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-06 23:38:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-06 23:38:46,327 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 23:38:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 23:38:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-12-06 23:38:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-12-06 23:38:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 23:38:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 23:38:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 23:38:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 23:38:46,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 23:38:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 23:38:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-06 23:38:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-06 23:38:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-12-06 23:38:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-12-06 23:38:46,329 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-12-06 23:38:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-12-06 23:38:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-12-06 23:38:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-12-06 23:38:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-12-06 23:38:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-12-06 23:38:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-12-06 23:38:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-12-06 23:38:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-12-06 23:38:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-12-06 23:38:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-12-06 23:38:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-12-06 23:38:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 23:38:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 23:38:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-06 23:38:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-06 23:38:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-12-06 23:38:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-12-06 23:38:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 23:38:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 23:38:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 23:38:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 23:38:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-12-06 23:38:46,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-12-06 23:38:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-12-06 23:38:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-12-06 23:38:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-12-06 23:38:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-12-06 23:38:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 23:38:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 23:38:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 23:38:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 23:38:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 23:38:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 23:38:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-06 23:38:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-06 23:38:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-12-06 23:38:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-12-06 23:38:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 23:38:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 23:38:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-12-06 23:38:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-12-06 23:38:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 23:38:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 23:38:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 23:38:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 23:38:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:38:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-12-06 23:38:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-12-06 23:38:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:38:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-12-06 23:38:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-12-06 23:38:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-12-06 23:38:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-12-06 23:38:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-12-06 23:38:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-12-06 23:38:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-12-06 23:38:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-12-06 23:38:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-12-06 23:38:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-12-06 23:38:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 23:38:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 23:38:46,334 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 23:38:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 23:38:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 23:38:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-06 23:38:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-06 23:38:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-12-06 23:38:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-12-06 23:38:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-06 23:38:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-06 23:38:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-12-06 23:38:46,335 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-12-06 23:38:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-12-06 23:38:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-12-06 23:38:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-12-06 23:38:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-12-06 23:38:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2021-12-06 23:38:46,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2021-12-06 23:38:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-06 23:38:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-06 23:38:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 23:38:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 23:38:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-12-06 23:38:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-12-06 23:38:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-06 23:38:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-06 23:38:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 23:38:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 23:38:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-12-06 23:38:46,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-12-06 23:38:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-12-06 23:38:46,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-12-06 23:38:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-12-06 23:38:46,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-12-06 23:38:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-12-06 23:38:46,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-12-06 23:38:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 23:38:46,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 23:38:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-06 23:38:46,338 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-06 23:38:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:38:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 23:38:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 23:38:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-12-06 23:38:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-12-06 23:38:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2021-12-06 23:38:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2021-12-06 23:38:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-06 23:38:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-06 23:38:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-12-06 23:38:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-12-06 23:38:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-12-06 23:38:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-12-06 23:38:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-06 23:38:46,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-06 23:38:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-12-06 23:38:46,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-12-06 23:38:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-06 23:38:46,340 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-06 23:38:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-12-06 23:38:46,340 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-12-06 23:38:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-12-06 23:38:46,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-12-06 23:38:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-06 23:38:46,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-06 23:38:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-06 23:38:46,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-06 23:38:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 23:38:46,341 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 23:38:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-12-06 23:38:46,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-12-06 23:38:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-12-06 23:38:46,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-12-06 23:38:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 23:38:46,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 23:38:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-12-06 23:38:46,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-12-06 23:38:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-06 23:38:46,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-06 23:38:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:38:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-12-06 23:38:46,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-12-06 23:38:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-12-06 23:38:46,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-12-06 23:38:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-12-06 23:38:46,343 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-12-06 23:38:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-06 23:38:46,343 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-06 23:38:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-06 23:38:46,344 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-06 23:38:46,906 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:38:46,910 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:38:58,129 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:38:58,150 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:38:58,150 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 23:38:58,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:38:58 BoogieIcfgContainer [2021-12-06 23:38:58,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:38:58,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:38:58,156 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:38:58,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:38:58,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:38:42" (1/3) ... [2021-12-06 23:38:58,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e62ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:38:58, skipping insertion in model container [2021-12-06 23:38:58,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:38:45" (2/3) ... [2021-12-06 23:38:58,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e62ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:38:58, skipping insertion in model container [2021-12-06 23:38:58,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:38:58" (3/3) ... [2021-12-06 23:38:58,160 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-12-06 23:38:58,164 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:38:58,164 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:38:58,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:38:58,216 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:38:58,216 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:38:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2021-12-06 23:38:58,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 23:38:58,278 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:38:58,278 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:38:58,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:38:58,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:38:58,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2021-12-06 23:38:58,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:38:58,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551743828] [2021-12-06 23:38:58,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:38:58,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:38:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:38:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:38:58,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:38:58,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551743828] [2021-12-06 23:38:58,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551743828] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:38:58,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:38:58,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:38:58,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528558205] [2021-12-06 23:38:58,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:38:58,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:38:58,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:38:58,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:38:58,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:38:58,697 INFO L87 Difference]: Start difference. First operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:38:58,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:38:58,935 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2021-12-06 23:38:58,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:38:58,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-06 23:38:58,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:38:58,962 INFO L225 Difference]: With dead ends: 5004 [2021-12-06 23:38:58,962 INFO L226 Difference]: Without dead ends: 2485 [2021-12-06 23:38:58,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:38:58,984 INFO L933 BasicCegarLoop]: 3604 mSDtfsCounter, 3599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:38:58,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 3604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:38:59,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2021-12-06 23:38:59,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2021-12-06 23:38:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1746 states have (on average 1.354524627720504) internal successors, (2365), 1806 states have internal predecessors, (2365), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2021-12-06 23:38:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2021-12-06 23:38:59,206 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2021-12-06 23:38:59,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:38:59,206 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2021-12-06 23:38:59,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:38:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2021-12-06 23:38:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 23:38:59,208 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:38:59,208 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:38:59,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:38:59,209 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:38:59,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:38:59,210 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2021-12-06 23:38:59,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:38:59,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187186474] [2021-12-06 23:38:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:38:59,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:38:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:38:59,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:38:59,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:38:59,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187186474] [2021-12-06 23:38:59,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187186474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:38:59,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:38:59,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:38:59,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239284219] [2021-12-06 23:38:59,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:38:59,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:38:59,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:38:59,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:38:59,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:38:59,355 INFO L87 Difference]: Start difference. First operand 2485 states and 3575 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:38:59,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:38:59,665 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2021-12-06 23:38:59,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:38:59,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-06 23:38:59,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:38:59,700 INFO L225 Difference]: With dead ends: 7371 [2021-12-06 23:38:59,700 INFO L226 Difference]: Without dead ends: 4889 [2021-12-06 23:38:59,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:38:59,717 INFO L933 BasicCegarLoop]: 4639 mSDtfsCounter, 3566 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 8267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:38:59,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3566 Valid, 8267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:38:59,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2021-12-06 23:38:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2021-12-06 23:38:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3438 states have (on average 1.3539848749272834) internal successors, (4655), 3551 states have internal predecessors, (4655), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:38:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2021-12-06 23:38:59,942 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2021-12-06 23:38:59,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:38:59,942 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2021-12-06 23:38:59,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:38:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2021-12-06 23:38:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 23:38:59,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:38:59,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:38:59,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:38:59,944 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:38:59,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:38:59,944 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2021-12-06 23:38:59,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:38:59,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787588430] [2021-12-06 23:38:59,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:38:59,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:38:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:39:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:39:00,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:39:00,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787588430] [2021-12-06 23:39:00,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787588430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:39:00,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:39:00,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:39:00,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542544891] [2021-12-06 23:39:00,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:39:00,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:39:00,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:39:00,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:39:00,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:39:00,050 INFO L87 Difference]: Start difference. First operand 4886 states and 7209 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:39:00,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:39:00,262 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2021-12-06 23:39:00,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:39:00,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-06 23:39:00,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:39:00,303 INFO L225 Difference]: With dead ends: 4888 [2021-12-06 23:39:00,304 INFO L226 Difference]: Without dead ends: 4885 [2021-12-06 23:39:00,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:39:00,309 INFO L933 BasicCegarLoop]: 3572 mSDtfsCounter, 3565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:39:00,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3565 Valid, 3572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:39:00,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2021-12-06 23:39:00,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2021-12-06 23:39:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 3438 states have (on average 1.3536940081442699) internal successors, (4654), 3550 states have internal predecessors, (4654), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:39:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2021-12-06 23:39:00,556 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2021-12-06 23:39:00,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:39:00,556 INFO L470 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2021-12-06 23:39:00,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:39:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2021-12-06 23:39:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 23:39:00,557 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:39:00,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:39:00,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:39:00,557 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:39:00,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:39:00,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2021-12-06 23:39:00,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:39:00,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53227475] [2021-12-06 23:39:00,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:39:00,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:39:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:39:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:39:00,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:39:00,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53227475] [2021-12-06 23:39:00,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53227475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:39:00,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:39:00,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:39:00,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014849122] [2021-12-06 23:39:00,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:39:00,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:39:00,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:39:00,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:39:00,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:39:00,661 INFO L87 Difference]: Start difference. First operand 4885 states and 7207 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:39:00,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:39:00,878 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2021-12-06 23:39:00,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:39:00,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-06 23:39:00,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:39:00,907 INFO L225 Difference]: With dead ends: 4887 [2021-12-06 23:39:00,907 INFO L226 Difference]: Without dead ends: 4884 [2021-12-06 23:39:00,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:39:00,911 INFO L933 BasicCegarLoop]: 3570 mSDtfsCounter, 3562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3562 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:39:00,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3562 Valid, 3570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:39:00,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2021-12-06 23:39:01,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2021-12-06 23:39:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 3438 states have (on average 1.3534031413612566) internal successors, (4653), 3549 states have internal predecessors, (4653), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:39:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2021-12-06 23:39:01,128 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2021-12-06 23:39:01,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:39:01,129 INFO L470 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2021-12-06 23:39:01,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:39:01,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2021-12-06 23:39:01,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-06 23:39:01,130 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:39:01,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:39:01,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:39:01,130 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:39:01,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:39:01,130 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2021-12-06 23:39:01,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:39:01,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877455861] [2021-12-06 23:39:01,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:39:01,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:39:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:39:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:39:01,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:39:01,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877455861] [2021-12-06 23:39:01,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877455861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:39:01,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:39:01,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:39:01,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933559294] [2021-12-06 23:39:01,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:39:01,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:39:01,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:39:01,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:39:01,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:39:01,226 INFO L87 Difference]: Start difference. First operand 4884 states and 7205 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:39:01,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:39:01,405 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2021-12-06 23:39:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:39:01,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-12-06 23:39:01,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:39:01,437 INFO L225 Difference]: With dead ends: 4886 [2021-12-06 23:39:01,437 INFO L226 Difference]: Without dead ends: 4877 [2021-12-06 23:39:01,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:39:01,441 INFO L933 BasicCegarLoop]: 3569 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:39:01,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3559 Valid, 3569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:39:01,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2021-12-06 23:39:01,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2021-12-06 23:39:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3531468531468531) internal successors, (4644), 3542 states have internal predecessors, (4644), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:39:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2021-12-06 23:39:01,644 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2021-12-06 23:39:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:39:01,644 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2021-12-06 23:39:01,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:39:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2021-12-06 23:39:01,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-06 23:39:01,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:39:01,652 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:39:01,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:39:01,652 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:39:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:39:01,652 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2021-12-06 23:39:01,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:39:01,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656084060] [2021-12-06 23:39:01,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:39:01,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:39:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:39:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 23:39:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:39:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 23:39:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:39:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:39:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:39:01,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:39:01,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:39:01,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656084060] [2021-12-06 23:39:01,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656084060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:39:01,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:39:01,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:39:01,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866107091] [2021-12-06 23:39:01,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:39:01,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:39:01,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:39:01,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:39:01,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:39:01,835 INFO L87 Difference]: Start difference. First operand 4877 states and 7195 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 23:39:05,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:39:08,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:39:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:39:12,394 INFO L93 Difference]: Finished difference Result 10468 states and 16126 transitions. [2021-12-06 23:39:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:39:12,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2021-12-06 23:39:12,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:39:12,429 INFO L225 Difference]: With dead ends: 10468 [2021-12-06 23:39:12,429 INFO L226 Difference]: Without dead ends: 5594 [2021-12-06 23:39:12,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:39:12,459 INFO L933 BasicCegarLoop]: 3396 mSDtfsCounter, 795 mSDsluCounter, 3987 mSDsCounter, 0 mSdLazyCounter, 2520 mSolverCounterSat, 727 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 7383 SdHoareTripleChecker+Invalid, 3249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 727 IncrementalHoareTripleChecker+Valid, 2520 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:39:12,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 7383 Invalid, 3249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [727 Valid, 2520 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2021-12-06 23:39:12,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2021-12-06 23:39:12,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 5293. [2021-12-06 23:39:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3722 states have (on average 1.3492745835572273) internal successors, (5022), 3842 states have internal predecessors, (5022), 1253 states have call successors, (1253), 259 states have call predecessors, (1253), 317 states have return successors, (1684), 1275 states have call predecessors, (1684), 1249 states have call successors, (1684) [2021-12-06 23:39:12,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7959 transitions. [2021-12-06 23:39:12,693 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7959 transitions. Word has length 53 [2021-12-06 23:39:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:39:12,693 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7959 transitions. [2021-12-06 23:39:12,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 23:39:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7959 transitions. [2021-12-06 23:39:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 23:39:12,699 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:39:12,699 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:39:12,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:39:12,699 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:39:12,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:39:12,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2021-12-06 23:39:12,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:39:12,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950101856] [2021-12-06 23:39:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:39:12,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:39:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:39:12,898 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:39:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:39:13,068 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:39:13,068 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:39:13,069 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:39:13,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:39:13,073 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:39:13,075 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:39:13,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:39:13 BoogieIcfgContainer [2021-12-06 23:39:13,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:39:13,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:39:13,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:39:13,150 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:39:13,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:38:58" (3/4) ... [2021-12-06 23:39:13,153 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:39:13,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:39:13,153 INFO L158 Benchmark]: Toolchain (without parser) took 30502.87ms. Allocated memory was 111.1MB in the beginning and 629.1MB in the end (delta: 518.0MB). Free memory was 77.3MB in the beginning and 369.5MB in the end (delta: -292.3MB). Peak memory consumption was 226.4MB. Max. memory is 16.1GB. [2021-12-06 23:39:13,154 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:39:13,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3016.94ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 77.3MB in the beginning and 68.5MB in the end (delta: 8.8MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2021-12-06 23:39:13,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 253.92ms. Allocated memory is still 167.8MB. Free memory was 68.5MB in the beginning and 55.5MB in the end (delta: 12.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-12-06 23:39:13,154 INFO L158 Benchmark]: Boogie Preprocessor took 321.22ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 55.5MB in the beginning and 100.1MB in the end (delta: -44.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2021-12-06 23:39:13,155 INFO L158 Benchmark]: RCFGBuilder took 11907.99ms. Allocated memory was 226.5MB in the beginning and 408.9MB in the end (delta: 182.5MB). Free memory was 100.1MB in the beginning and 249.2MB in the end (delta: -149.1MB). Peak memory consumption was 235.7MB. Max. memory is 16.1GB. [2021-12-06 23:39:13,155 INFO L158 Benchmark]: TraceAbstraction took 14993.95ms. Allocated memory was 408.9MB in the beginning and 629.1MB in the end (delta: 220.2MB). Free memory was 249.2MB in the beginning and 369.5MB in the end (delta: -120.4MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2021-12-06 23:39:13,155 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 629.1MB. Free memory is still 369.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:39:13,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3016.94ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 77.3MB in the beginning and 68.5MB in the end (delta: 8.8MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 253.92ms. Allocated memory is still 167.8MB. Free memory was 68.5MB in the beginning and 55.5MB in the end (delta: 12.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 321.22ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 55.5MB in the beginning and 100.1MB in the end (delta: -44.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * RCFGBuilder took 11907.99ms. Allocated memory was 226.5MB in the beginning and 408.9MB in the end (delta: 182.5MB). Free memory was 100.1MB in the beginning and 249.2MB in the end (delta: -149.1MB). Peak memory consumption was 235.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14993.95ms. Allocated memory was 408.9MB in the beginning and 629.1MB in the end (delta: 220.2MB). Free memory was 249.2MB in the beginning and 369.5MB in the end (delta: -120.4MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 629.1MB. Free memory is still 369.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12848]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 11833, overapproximation of bitwiseAnd at line 11396. Possible FailurePath: [L7140] static bool ap_mode_default ; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L11797-L11803] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-2.fw", & rxd_8366_ap_ops, 2U}}; [L11839] struct pci_device_id const __mod_pci_device_table ; [L12503] int LDV_IN_INTERRUPT ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L12965] static int ldv_mutex_fw_mutex ; [L13072] static int ldv_mutex_lock ; [L13179] static int ldv_mutex_mtx ; [L13286] static int ldv_mutex_mutex ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_fw_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp___0=-2] [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=-2] [L12620] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=-2] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, priv->ap_fw=257, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5251:5247}, vif={5251:5247}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5251:5247}, vif={5251:5247}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6185] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex)=1, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, pfo_ret__={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, get_current()={0:0}, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, priv->fw_mutex_owner={0:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={0:0}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5251:5247}, vif={5251:5247}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5245, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=5245, hw={5241:0}, hw={5241:0}, info={5248:5249}, info={5248:5249}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={5251:5247}, vif={5251:5247}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={5241:0}, hw={5241:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={5246:-1338}, priv->hw_restart_in_progress=-255, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5246:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={5246:0}, lock={5246:0}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 2505 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 18719 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18646 mSDsluCounter, 29965 SdHoareTripleChecker+Invalid, 9.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7615 mSDsCounter, 734 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2538 IncrementalHoareTripleChecker+Invalid, 3274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 734 mSolverCounterUnsat, 22350 mSDtfsCounter, 2538 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5293occurred in iteration=6, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 304 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 191 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 23:39:13,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:39:14,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:39:14,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:39:14,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:39:14,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:39:14,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:39:14,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:39:14,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:39:14,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:39:14,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:39:14,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:39:14,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:39:14,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:39:14,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:39:14,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:39:14,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:39:14,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:39:14,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:39:14,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:39:14,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:39:14,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:39:14,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:39:14,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:39:14,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:39:14,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:39:14,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:39:14,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:39:14,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:39:14,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:39:14,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:39:14,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:39:14,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:39:14,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:39:14,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:39:14,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:39:14,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:39:14,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:39:14,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:39:14,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:39:14,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:39:14,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:39:14,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-06 23:39:14,837 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:39:14,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:39:14,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:39:14,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:39:14,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:39:14,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:39:14,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:39:14,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:39:14,839 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:39:14,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:39:14,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:39:14,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:39:14,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:39:14,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:39:14,840 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 23:39:14,840 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 23:39:14,840 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 23:39:14,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:39:14,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:39:14,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:39:14,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:39:14,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:39:14,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:39:14,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:39:14,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:39:14,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:39:14,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:39:14,842 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 23:39:14,842 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 23:39:14,842 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:39:14,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:39:14,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:39:14,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:39:14,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 23:39:14,843 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_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2021-12-06 23:39:15,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:39:15,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:39:15,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:39:15,085 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:39:15,085 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:39:15,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-12-06 23:39:15,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data/f0f68427f/a693e8060bb04141934fcc2e3e4725a0/FLAGdca44377a [2021-12-06 23:39:15,815 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:39:15,815 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-12-06 23:39:15,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data/f0f68427f/a693e8060bb04141934fcc2e3e4725a0/FLAGdca44377a [2021-12-06 23:39:16,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/data/f0f68427f/a693e8060bb04141934fcc2e3e4725a0 [2021-12-06 23:39:16,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:39:16,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:39:16,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:39:16,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:39:16,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:39:16,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:39:16" (1/1) ... [2021-12-06 23:39:16,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1188fb02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:16, skipping insertion in model container [2021-12-06 23:39:16,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:39:16" (1/1) ... [2021-12-06 23:39:16,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:39:16,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:39:18,394 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_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-12-06 23:39:18,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:39:18,563 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 23:39:18,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:39:18,900 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_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-12-06 23:39:18,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:39:18,920 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:39:19,187 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_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-12-06 23:39:19,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:39:19,292 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:39:19,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19 WrapperNode [2021-12-06 23:39:19,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:39:19,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:39:19,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:39:19,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:39:19,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,564 INFO L137 Inliner]: procedures = 429, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 6892 [2021-12-06 23:39:19,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:39:19,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:39:19,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:39:19,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:39:19,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:39:19,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:39:19,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:39:19,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:39:19,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (1/1) ... [2021-12-06 23:39:19,874 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:39:19,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:39:19,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:39:19,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:39:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-12-06 23:39:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-12-06 23:39:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-12-06 23:39:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-12-06 23:39:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 23:39:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 23:39:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 23:39:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 23:39:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 23:39:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 23:39:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 23:39:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 23:39:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-06 23:39:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-06 23:39:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 23:39:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 23:39:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2021-12-06 23:39:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2021-12-06 23:39:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-06 23:39:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-06 23:39:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 23:39:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 23:39:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-12-06 23:39:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-12-06 23:39:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 23:39:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-06 23:39:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-06 23:39:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-12-06 23:39:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-12-06 23:39:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-12-06 23:39:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-12-06 23:39:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-12-06 23:39:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-12-06 23:39:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 23:39:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 23:39:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2021-12-06 23:39:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2021-12-06 23:39:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:39:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-06 23:39:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 23:39:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 23:39:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 23:39:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 23:39:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 23:39:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 23:39:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-12-06 23:39:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-12-06 23:39:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-12-06 23:39:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-12-06 23:39:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-12-06 23:39:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-12-06 23:39:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 23:39:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 23:39:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-06 23:39:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-06 23:39:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 23:39:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 23:39:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-12-06 23:39:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-12-06 23:39:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 23:39:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 23:39:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-12-06 23:39:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-12-06 23:39:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-12-06 23:39:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-12-06 23:39:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 23:39:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 23:39:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-12-06 23:39:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-12-06 23:39:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-06 23:39:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-06 23:39:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-06 23:39:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-06 23:39:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 23:39:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 23:39:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-06 23:39:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-06 23:39:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-12-06 23:39:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-12-06 23:39:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-06 23:39:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-06 23:39:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-12-06 23:39:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-12-06 23:39:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:39:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-06 23:39:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-06 23:39:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:39:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-06 23:39:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-06 23:39:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 23:39:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 23:39:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:39:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 23:39:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-06 23:39:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-06 23:39:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-12-06 23:39:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-12-06 23:39:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-06 23:39:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-12-06 23:39:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-12-06 23:39:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-12-06 23:39:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-12-06 23:39:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-06 23:39:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-06 23:39:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-12-06 23:39:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-12-06 23:39:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 23:39:19,952 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 23:39:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-06 23:39:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-06 23:39:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-12-06 23:39:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-12-06 23:39:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-06 23:39:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:39:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:39:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-12-06 23:39:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-12-06 23:39:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-06 23:39:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-06 23:39:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-06 23:39:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 23:39:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 23:39:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-12-06 23:39:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-12-06 23:39:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 23:39:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 23:39:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 23:39:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-06 23:39:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 23:39:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 23:39:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 23:39:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 23:39:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 23:39:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-06 23:39:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-06 23:39:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-12-06 23:39:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-12-06 23:39:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-12-06 23:39:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-12-06 23:39:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-12-06 23:39:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-12-06 23:39:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-12-06 23:39:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-12-06 23:39:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-12-06 23:39:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-12-06 23:39:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-12-06 23:39:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-12-06 23:39:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-12-06 23:39:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-12-06 23:39:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 23:39:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 23:39:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-06 23:39:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-06 23:39:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-12-06 23:39:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-12-06 23:39:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 23:39:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 23:39:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 23:39:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 23:39:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-12-06 23:39:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-12-06 23:39:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-12-06 23:39:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-12-06 23:39:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-12-06 23:39:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-12-06 23:39:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 23:39:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 23:39:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-06 23:39:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-06 23:39:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-06 23:39:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-06 23:39:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-06 23:39:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-06 23:39:19,960 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-12-06 23:39:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-12-06 23:39:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 23:39:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 23:39:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-12-06 23:39:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-12-06 23:39:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 23:39:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 23:39:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-06 23:39:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-06 23:39:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:39:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-12-06 23:39:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-12-06 23:39:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:39:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-12-06 23:39:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-12-06 23:39:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-12-06 23:39:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-12-06 23:39:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-12-06 23:39:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-12-06 23:39:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-12-06 23:39:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-12-06 23:39:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 23:39:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 23:39:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-06 23:39:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-12-06 23:39:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-12-06 23:39:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 23:39:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 23:39:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-06 23:39:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-06 23:39:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 23:39:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 23:39:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-06 23:39:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-06 23:39:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-12-06 23:39:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-12-06 23:39:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-06 23:39:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-06 23:39:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-12-06 23:39:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-12-06 23:39:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-12-06 23:39:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-12-06 23:39:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-12-06 23:39:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-12-06 23:39:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2021-12-06 23:39:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2021-12-06 23:39:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-06 23:39:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-12-06 23:39:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 23:39:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 23:39:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-12-06 23:39:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-12-06 23:39:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-06 23:39:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-06 23:39:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 23:39:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 23:39:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-12-06 23:39:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-12-06 23:39:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-12-06 23:39:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-12-06 23:39:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-12-06 23:39:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-12-06 23:39:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-12-06 23:39:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-12-06 23:39:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 23:39:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 23:39:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-06 23:39:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-06 23:39:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-06 23:39:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-06 23:39:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-06 23:39:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-06 23:39:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 23:39:19,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 23:39:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-12-06 23:39:19,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-12-06 23:39:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2021-12-06 23:39:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2021-12-06 23:39:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-06 23:39:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-06 23:39:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-12-06 23:39:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-12-06 23:39:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-12-06 23:39:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-12-06 23:39:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-06 23:39:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-06 23:39:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-12-06 23:39:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-12-06 23:39:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-06 23:39:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-06 23:39:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-12-06 23:39:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-12-06 23:39:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-12-06 23:39:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-12-06 23:39:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-06 23:39:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-06 23:39:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-06 23:39:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-06 23:39:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-06 23:39:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-06 23:39:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-12-06 23:39:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-12-06 23:39:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-12-06 23:39:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-12-06 23:39:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 23:39:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 23:39:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-12-06 23:39:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-12-06 23:39:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-06 23:39:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-06 23:39:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-12-06 23:39:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-12-06 23:39:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-12-06 23:39:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-12-06 23:39:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-12-06 23:39:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-12-06 23:39:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-06 23:39:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-06 23:39:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-06 23:39:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-06 23:39:20,605 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:39:20,609 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:41:01,625 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:41:01,642 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:41:01,642 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 23:41:01,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:41:01 BoogieIcfgContainer [2021-12-06 23:41:01,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:41:01,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:41:01,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:41:01,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:41:01,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:39:16" (1/3) ... [2021-12-06 23:41:01,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6372ead2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:41:01, skipping insertion in model container [2021-12-06 23:41:01,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:39:19" (2/3) ... [2021-12-06 23:41:01,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6372ead2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:41:01, skipping insertion in model container [2021-12-06 23:41:01,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:41:01" (3/3) ... [2021-12-06 23:41:01,651 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-12-06 23:41:01,655 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:41:01,655 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:41:01,703 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:41:01,708 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:41:01,708 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:41:01,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2021-12-06 23:41:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-06 23:41:01,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:41:01,761 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:01,762 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:41:01,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:01,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2021-12-06 23:41:01,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:41:01,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228451582] [2021-12-06 23:41:01,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:01,782 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:41:01,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:41:01,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:41:01,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 23:41:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:03,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:41:03,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:03,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:41:03,386 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:41:03,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228451582] [2021-12-06 23:41:03,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228451582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:41:03,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:41:03,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:41:03,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983587408] [2021-12-06 23:41:03,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:41:03,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:41:03,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:41:03,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:41:03,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:03,422 INFO L87 Difference]: Start difference. First operand has 2505 states, 1763 states have (on average 1.3607487237663074) internal successors, (2399), 1826 states have internal predecessors, (2399), 609 states have call successors, (609), 131 states have call predecessors, (609), 131 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:03,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:41:03,773 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2021-12-06 23:41:03,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:41:03,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-12-06 23:41:03,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:41:03,804 INFO L225 Difference]: With dead ends: 5004 [2021-12-06 23:41:03,804 INFO L226 Difference]: Without dead ends: 2485 [2021-12-06 23:41:03,821 INFO L932 BasicCegarLoop]: 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 [2021-12-06 23:41:03,824 INFO L933 BasicCegarLoop]: 3604 mSDtfsCounter, 3599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:41:03,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 3604 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:41:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2021-12-06 23:41:03,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2021-12-06 23:41:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2485 states, 1746 states have (on average 1.354524627720504) internal successors, (2365), 1806 states have internal predecessors, (2365), 608 states have call successors, (608), 131 states have call predecessors, (608), 130 states have return successors, (602), 590 states have call predecessors, (602), 602 states have call successors, (602) [2021-12-06 23:41:03,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2021-12-06 23:41:04,001 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2021-12-06 23:41:04,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:41:04,001 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2021-12-06 23:41:04,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:04,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2021-12-06 23:41:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-06 23:41:04,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:41:04,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:04,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:04,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:41:04,204 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:41:04,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:04,204 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2021-12-06 23:41:04,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:41:04,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742569169] [2021-12-06 23:41:04,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:04,206 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:41:04,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:41:04,207 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:41:04,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 23:41:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:05,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:41:05,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:05,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:41:05,700 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:41:05,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742569169] [2021-12-06 23:41:05,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742569169] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:41:05,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:41:05,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:41:05,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583916188] [2021-12-06 23:41:05,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:41:05,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:41:05,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:41:05,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:41:05,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:05,703 INFO L87 Difference]: Start difference. First operand 2485 states and 3575 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:06,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:41:06,352 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2021-12-06 23:41:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:41:06,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-06 23:41:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:41:06,399 INFO L225 Difference]: With dead ends: 7371 [2021-12-06 23:41:06,399 INFO L226 Difference]: Without dead ends: 4889 [2021-12-06 23:41:06,418 INFO L932 BasicCegarLoop]: 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 [2021-12-06 23:41:06,420 INFO L933 BasicCegarLoop]: 4645 mSDtfsCounter, 3566 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 8273 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 [2021-12-06 23:41:06,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3566 Valid, 8273 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 23:41:06,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2021-12-06 23:41:06,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2021-12-06 23:41:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3438 states have (on average 1.3539848749272834) internal successors, (4655), 3551 states have internal predecessors, (4655), 1190 states have call successors, (1190), 259 states have call predecessors, (1190), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:41:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2021-12-06 23:41:06,757 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2021-12-06 23:41:06,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:41:06,758 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2021-12-06 23:41:06,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2021-12-06 23:41:06,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 23:41:06,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:41:06,758 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:06,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 23:41:06,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:41:06,959 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:41:06,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:06,960 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2021-12-06 23:41:06,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:41:06,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236104443] [2021-12-06 23:41:06,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:06,962 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:41:06,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:41:06,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:41:06,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 23:41:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:08,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:41:08,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:08,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:41:08,513 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:41:08,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236104443] [2021-12-06 23:41:08,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236104443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:41:08,513 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:41:08,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:41:08,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620953484] [2021-12-06 23:41:08,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:41:08,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:41:08,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:41:08,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:41:08,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:08,516 INFO L87 Difference]: Start difference. First operand 4886 states and 7209 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:41:08,848 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2021-12-06 23:41:08,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:41:08,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-06 23:41:08,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:41:08,879 INFO L225 Difference]: With dead ends: 4888 [2021-12-06 23:41:08,879 INFO L226 Difference]: Without dead ends: 4885 [2021-12-06 23:41:08,881 INFO L932 BasicCegarLoop]: 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 [2021-12-06 23:41:08,882 INFO L933 BasicCegarLoop]: 3572 mSDtfsCounter, 3565 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:41:08,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3565 Valid, 3572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:41:08,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2021-12-06 23:41:09,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2021-12-06 23:41:09,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4885 states, 3438 states have (on average 1.3536940081442699) internal successors, (4654), 3550 states have internal predecessors, (4654), 1189 states have call successors, (1189), 259 states have call predecessors, (1189), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:41:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2021-12-06 23:41:09,093 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2021-12-06 23:41:09,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:41:09,094 INFO L470 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2021-12-06 23:41:09,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2021-12-06 23:41:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-06 23:41:09,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:41:09,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:09,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 23:41:09,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:41:09,295 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:41:09,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:09,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2021-12-06 23:41:09,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:41:09,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576260464] [2021-12-06 23:41:09,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:09,298 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:41:09,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:41:09,299 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:41:09,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 23:41:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:10,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:41:10,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:10,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:41:10,829 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:41:10,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576260464] [2021-12-06 23:41:10,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576260464] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:41:10,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:41:10,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:41:10,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665520895] [2021-12-06 23:41:10,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:41:10,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:41:10,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:41:10,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:41:10,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:10,832 INFO L87 Difference]: Start difference. First operand 4885 states and 7207 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:11,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:41:11,155 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2021-12-06 23:41:11,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:41:11,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-06 23:41:11,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:41:11,196 INFO L225 Difference]: With dead ends: 4887 [2021-12-06 23:41:11,196 INFO L226 Difference]: Without dead ends: 4884 [2021-12-06 23:41:11,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:11,201 INFO L933 BasicCegarLoop]: 3570 mSDtfsCounter, 3562 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3562 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:41:11,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3562 Valid, 3570 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:41:11,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2021-12-06 23:41:11,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2021-12-06 23:41:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4884 states, 3438 states have (on average 1.3534031413612566) internal successors, (4653), 3549 states have internal predecessors, (4653), 1188 states have call successors, (1188), 259 states have call predecessors, (1188), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:41:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2021-12-06 23:41:11,417 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2021-12-06 23:41:11,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:41:11,417 INFO L470 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2021-12-06 23:41:11,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:11,418 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2021-12-06 23:41:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-12-06 23:41:11,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:41:11,418 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:11,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 23:41:11,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:41:11,619 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:41:11,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:11,619 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2021-12-06 23:41:11,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:41:11,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222054404] [2021-12-06 23:41:11,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:11,621 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:41:11,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:41:11,622 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:41:11,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 23:41:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:12,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:41:12,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:13,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:41:13,146 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:41:13,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222054404] [2021-12-06 23:41:13,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222054404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:41:13,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:41:13,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:41:13,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673146641] [2021-12-06 23:41:13,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:41:13,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:41:13,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:41:13,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:41:13,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:13,148 INFO L87 Difference]: Start difference. First operand 4884 states and 7205 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:13,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:41:13,389 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2021-12-06 23:41:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:41:13,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-12-06 23:41:13,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:41:13,437 INFO L225 Difference]: With dead ends: 4886 [2021-12-06 23:41:13,438 INFO L226 Difference]: Without dead ends: 4877 [2021-12-06 23:41:13,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:13,441 INFO L933 BasicCegarLoop]: 3569 mSDtfsCounter, 3559 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3559 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:41:13,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3559 Valid, 3569 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:41:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2021-12-06 23:41:13,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2021-12-06 23:41:13,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3531468531468531) internal successors, (4644), 3542 states have internal predecessors, (4644), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:41:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2021-12-06 23:41:13,659 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2021-12-06 23:41:13,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:41:13,659 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2021-12-06 23:41:13,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:41:13,660 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2021-12-06 23:41:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-06 23:41:13,666 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:41:13,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:13,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-06 23:41:13,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:41:13,867 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:41:13,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:13,867 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2021-12-06 23:41:13,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:41:13,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811991306] [2021-12-06 23:41:13,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:13,869 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:41:13,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:41:13,870 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:41:13,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 23:41:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:41:15,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:41:15,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:41:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:41:15,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:41:15,576 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:41:15,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811991306] [2021-12-06 23:41:15,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811991306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:41:15,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:41:15,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:41:15,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422913919] [2021-12-06 23:41:15,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:41:15,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:41:15,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:41:15,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:41:15,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:15,578 INFO L87 Difference]: Start difference. First operand 4877 states and 7195 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 23:41:15,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:41:15,833 INFO L93 Difference]: Finished difference Result 9753 states and 14741 transitions. [2021-12-06 23:41:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:41:15,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2021-12-06 23:41:15,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:41:15,863 INFO L225 Difference]: With dead ends: 9753 [2021-12-06 23:41:15,863 INFO L226 Difference]: Without dead ends: 4879 [2021-12-06 23:41:15,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:41:15,889 INFO L933 BasicCegarLoop]: 3561 mSDtfsCounter, 0 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7115 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:41:15,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 7115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:41:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2021-12-06 23:41:16,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2021-12-06 23:41:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3432 states have (on average 1.3513986013986015) internal successors, (4638), 3542 states have internal predecessors, (4638), 1187 states have call successors, (1187), 259 states have call predecessors, (1187), 257 states have return successors, (1364), 1159 states have call predecessors, (1364), 1183 states have call successors, (1364) [2021-12-06 23:41:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7189 transitions. [2021-12-06 23:41:16,111 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7189 transitions. Word has length 53 [2021-12-06 23:41:16,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:41:16,112 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7189 transitions. [2021-12-06 23:41:16,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 23:41:16,112 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7189 transitions. [2021-12-06 23:41:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 23:41:16,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:41:16,116 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:41:16,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 23:41:16,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:41:16,317 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:41:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:41:16,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2021-12-06 23:41:16,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:41:16,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533683504] [2021-12-06 23:41:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:41:16,320 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:41:16,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:41:16,321 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:41:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 23:45:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:45:06,897 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:47:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:47:51,175 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 23:47:51,175 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:47:51,176 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:47:51,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 23:47:51,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:47:51,384 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:47:51,386 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:47:51,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:47:51 BoogieIcfgContainer [2021-12-06 23:47:51,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:47:51,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:47:51,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:47:51,466 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:47:51,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:41:01" (3/4) ... [2021-12-06 23:47:51,469 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:47:51,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:47:51,469 INFO L158 Benchmark]: Toolchain (without parser) took 515282.55ms. Allocated memory was 54.5MB in the beginning and 488.6MB in the end (delta: 434.1MB). Free memory was 25.6MB in the beginning and 127.9MB in the end (delta: -102.2MB). Peak memory consumption was 332.0MB. Max. memory is 16.1GB. [2021-12-06 23:47:51,470 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:47:51,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3103.73ms. Allocated memory was 54.5MB in the beginning and 192.9MB in the end (delta: 138.4MB). Free memory was 25.3MB in the beginning and 87.4MB in the end (delta: -62.1MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. [2021-12-06 23:47:51,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 271.27ms. Allocated memory is still 192.9MB. Free memory was 87.4MB in the beginning and 77.2MB in the end (delta: 10.3MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2021-12-06 23:47:51,470 INFO L158 Benchmark]: Boogie Preprocessor took 301.92ms. Allocated memory was 192.9MB in the beginning and 262.1MB in the end (delta: 69.2MB). Free memory was 77.2MB in the beginning and 154.8MB in the end (delta: -77.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-06 23:47:51,471 INFO L158 Benchmark]: RCFGBuilder took 101777.96ms. Allocated memory was 262.1MB in the beginning and 488.6MB in the end (delta: 226.5MB). Free memory was 153.8MB in the beginning and 146.9MB in the end (delta: 6.9MB). Peak memory consumption was 303.1MB. Max. memory is 16.1GB. [2021-12-06 23:47:51,471 INFO L158 Benchmark]: TraceAbstraction took 409818.91ms. Allocated memory is still 488.6MB. Free memory was 145.8MB in the beginning and 127.9MB in the end (delta: 17.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-12-06 23:47:51,471 INFO L158 Benchmark]: Witness Printer took 2.61ms. Allocated memory is still 488.6MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:47:51,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3103.73ms. Allocated memory was 54.5MB in the beginning and 192.9MB in the end (delta: 138.4MB). Free memory was 25.3MB in the beginning and 87.4MB in the end (delta: -62.1MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 271.27ms. Allocated memory is still 192.9MB. Free memory was 87.4MB in the beginning and 77.2MB in the end (delta: 10.3MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 301.92ms. Allocated memory was 192.9MB in the beginning and 262.1MB in the end (delta: 69.2MB). Free memory was 77.2MB in the beginning and 154.8MB in the end (delta: -77.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 101777.96ms. Allocated memory was 262.1MB in the beginning and 488.6MB in the end (delta: 226.5MB). Free memory was 153.8MB in the beginning and 146.9MB in the end (delta: 6.9MB). Peak memory consumption was 303.1MB. Max. memory is 16.1GB. * TraceAbstraction took 409818.91ms. Allocated memory is still 488.6MB. Free memory was 145.8MB in the beginning and 127.9MB in the end (delta: 17.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 2.61ms. Allocated memory is still 488.6MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12848]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 11833. Possible FailurePath: [L7140] static bool ap_mode_default ; [L7141-L7155] static struct ieee80211_channel const mwl8k_channels_24[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7156-L7170] static struct ieee80211_rate const mwl8k_rates_24[14U] = { {0U, 10U, 2U, (unsigned short)0}, {0U, 20U, 4U, (unsigned short)0}, {0U, 55U, 11U, (unsigned short)0}, {0U, 110U, 22U, (unsigned short)0}, {0U, 220U, 44U, (unsigned short)0}, {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7171-L7174] static struct ieee80211_channel const mwl8k_channels_50[4U] = { {0, 5180U, 36U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5200U, 40U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5220U, 44U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}, {0, 5240U, 48U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0}}; [L7175-L7184] static struct ieee80211_rate const mwl8k_rates_50[9U] = { {0U, 60U, 12U, (unsigned short)0}, {0U, 90U, 18U, (unsigned short)0}, {0U, 120U, 24U, (unsigned short)0}, {0U, 180U, 36U, (unsigned short)0}, {0U, 240U, 48U, (unsigned short)0}, {0U, 360U, 72U, (unsigned short)0}, {0U, 480U, 96U, (unsigned short)0}, {0U, 540U, 108U, (unsigned short)0}, {0U, 720U, 144U, (unsigned short)0}}; [L7812] static struct rxd_ops rxd_8366_ap_ops = {32, & mwl8k_rxd_8366_ap_init, & mwl8k_rxd_8366_ap_refill, & mwl8k_rxd_8366_ap_process}; [L7889] static struct rxd_ops rxd_sta_ops = {40, & mwl8k_rxd_sta_init, & mwl8k_rxd_sta_refill, & mwl8k_rxd_sta_process}; [L11797-L11803] static struct ieee80211_ops const mwl8k_ops = {& mwl8k_tx, & mwl8k_start, & mwl8k_stop, 0, 0, 0, & mwl8k_add_interface, 0, & mwl8k_remove_interface, & mwl8k_config, & mwl8k_bss_info_changed, & mwl8k_prepare_multicast, & mwl8k_configure_filter, 0, & mwl8k_set_key, 0, 0, 0, 0, 0, 0, 0, 0, & mwl8k_get_stats, 0, 0, & mwl8k_set_rts_threshold, & mwl8k_sta_add, & mwl8k_sta_remove, 0, 0, 0, & mwl8k_conf_tx, 0, 0, 0, 0, & mwl8k_ampdu_action, & mwl8k_get_survey, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11833-L11838] static struct mwl8k_device_info mwl8k_info_tbl[3U] = { {(char *)"88w8363", (char *)"mwl8k/helper_8363.fw", (char *)"mwl8k/fmimage_8363.fw", 0, 0, 0U}, {(char *)"88w8687", (char *)"mwl8k/helper_8687.fw", (char *)"mwl8k/fmimage_8687.fw", 0, 0, 0U}, {(char *)"88w8366", (char *)"mwl8k/helper_8366.fw", (char *)"mwl8k/fmimage_8366.fw", (char *)"mwl8k/fmimage_8366_ap-2.fw", & rxd_8366_ap_ops, 2U}}; [L11839] struct pci_device_id const __mod_pci_device_table ; [L12503] int LDV_IN_INTERRUPT ; [L12858] static int ldv_mutex_cred_guard_mutex ; [L12965] static int ldv_mutex_fw_mutex ; [L13072] static int ldv_mutex_lock ; [L13179] static int ldv_mutex_mtx ; [L13286] static int ldv_mutex_mutex ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_fw_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12506] void *var_mwl8k_rxd_8366_ap_init_13_p0 ; [L12507] dma_addr_t var_mwl8k_rxd_8366_ap_init_13_p1 ; [L12508] void *var_mwl8k_rxd_8366_ap_refill_14_p0 ; [L12509] dma_addr_t var_mwl8k_rxd_8366_ap_refill_14_p1 ; [L12510] int var_mwl8k_rxd_8366_ap_refill_14_p2 ; [L12511] void *var_mwl8k_rxd_8366_ap_process_15_p0 ; [L12512] struct ieee80211_rx_status *var_group1 ; [L12513] __le16 *var_mwl8k_rxd_8366_ap_process_15_p2 ; [L12514] s8 *var_mwl8k_rxd_8366_ap_process_15_p3 ; [L12515] void *var_mwl8k_rxd_sta_init_16_p0 ; [L12516] dma_addr_t var_mwl8k_rxd_sta_init_16_p1 ; [L12517] void *var_mwl8k_rxd_sta_refill_17_p0 ; [L12518] dma_addr_t var_mwl8k_rxd_sta_refill_17_p1 ; [L12519] int var_mwl8k_rxd_sta_refill_17_p2 ; [L12520] void *var_mwl8k_rxd_sta_process_18_p0 ; [L12521] __le16 *var_mwl8k_rxd_sta_process_18_p2 ; [L12522] s8 *var_mwl8k_rxd_sta_process_18_p3 ; [L12523] struct ieee80211_hw *var_group2 ; [L12524] struct ieee80211_tx_control *var_group3 ; [L12525] struct sk_buff *var_mwl8k_tx_99_p2 ; [L12526] struct ieee80211_vif *var_group4 ; [L12527] u32 var_mwl8k_config_106_p1 ; [L12528] struct ieee80211_bss_conf *var_mwl8k_bss_info_changed_109_p2 ; [L12529] u32 var_mwl8k_bss_info_changed_109_p3 ; [L12530] struct netdev_hw_addr_list *var_group5 ; [L12531] unsigned int var_mwl8k_configure_filter_113_p1 ; [L12532] unsigned int *var_mwl8k_configure_filter_113_p2 ; [L12533] u64 var_mwl8k_configure_filter_113_p3 ; [L12534] enum set_key_cmd var_mwl8k_set_key_93_p1 ; [L12535] struct ieee80211_vif *var_mwl8k_set_key_93_p2 ; [L12536] struct ieee80211_sta *var_mwl8k_set_key_93_p3 ; [L12537] struct ieee80211_key_conf *var_mwl8k_set_key_93_p4 ; [L12538] u32 var_mwl8k_set_rts_threshold_114_p1 ; [L12539] struct ieee80211_sta *var_mwl8k_sta_add_116_p2 ; [L12540] struct ieee80211_sta *var_mwl8k_sta_remove_115_p2 ; [L12541] u16 var_mwl8k_conf_tx_117_p2 ; [L12542] struct ieee80211_tx_queue_params const *var_mwl8k_conf_tx_117_p3 ; [L12543] struct ieee80211_low_level_stats *var_group6 ; [L12544] int var_mwl8k_get_survey_119_p1 ; [L12545] struct survey_info *var_mwl8k_get_survey_119_p2 ; [L12546] enum ieee80211_ampdu_mlme_action var_mwl8k_ampdu_action_120_p2 ; [L12547] struct ieee80211_sta *var_mwl8k_ampdu_action_120_p3 ; [L12548] u16 var_mwl8k_ampdu_action_120_p4 ; [L12549] u16 *var_mwl8k_ampdu_action_120_p5 ; [L12550] u8 var_mwl8k_ampdu_action_120_p6 ; [L12551] struct pci_dev *var_group7 ; [L12552] struct pci_device_id const *var_mwl8k_probe_129_p1 ; [L12553] int res_mwl8k_probe_129 ; [L12554] int var_mwl8k_interrupt_96_p0 ; [L12555] void *var_mwl8k_interrupt_96_p1 ; [L12556] int ldv_s_mwl8k_driver_pci_driver ; [L12557] int tmp ; [L12558] int tmp___0 ; [L12560] ldv_s_mwl8k_driver_pci_driver = 0 [L12561] LDV_IN_INTERRUPT = 1 [L12562] CALL ldv_initialize() [L13396] ldv_mutex_cred_guard_mutex = 1 [L13397] ldv_mutex_fw_mutex = 1 [L13398] ldv_mutex_lock = 1 [L13399] ldv_mutex_mtx = 1 [L13400] ldv_mutex_mutex = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp___0=2147483648] [L12565] tmp = __VERIFIER_nondet_int() [L12567] case 0: [L12571] case 1: [L12576] case 2: [L12581] case 3: [L12585] case 4: [L12590] case 5: [L12595] case 6: [L12599] case 7: [L12603] case 8: [L12607] case 9: [L12611] case 10: [L12615] case 11: [L12619] case 12: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=2147483648] [L12620] FCALL ldv_handler_precall() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_mwl8k_driver_pci_driver=0, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=12, tmp___0=2147483648] [L12621-L12622] CALL mwl8k_bss_info_changed(var_group2, var_group4, var_mwl8k_bss_info_changed_109_p2, var_mwl8k_bss_info_changed_109_p3) [L11408] struct mwl8k_priv *priv ; [L11410] EXPR hw->priv [L11410] priv = (struct mwl8k_priv *)hw->priv [L11411] EXPR priv->ap_fw VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, priv->ap_fw=-128, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={521:522}, vif={521:522}] [L11411] COND FALSE !(! priv->ap_fw) [L11414] CALL mwl8k_bss_info_changed_ap(hw, vif, info, changed) [L11354] int rc ; [L11355] int tmp ; [L11356] int idx ; [L11357] int rate ; [L11358] struct sk_buff *skb ; VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={521:522}, vif={521:522}] [L11360] CALL, EXPR mwl8k_fw_lock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8952] struct mwl8k_priv *priv ; [L8953] int rc ; [L8954] struct task_struct *tmp ; [L8956] EXPR hw->priv [L8956] priv = (struct mwl8k_priv *)hw->priv [L8957] CALL, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6166] struct task_struct *pfo_ret__ ; [L6169] case 1UL: [L6172] case 2UL: [L6175] case 4UL: [L6178] case 8UL: VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L6185] return (pfo_ret__); VAL [\old(ldv_mutex_fw_mutex)=1, \result={-3441876564973715476:1154047954269372416}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, pfo_ret__={-3441876564973715476:1154047954269372416}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] RET, EXPR get_current() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, get_current()={-3441876564973715476:1154047954269372416}, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8957] tmp = get_current() [L8958] EXPR priv->fw_mutex_owner VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, priv->fw_mutex_owner={8079457731502604278:8079457731502604278}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={-3441876564973715476:1154047954269372416}] [L8958] COND FALSE !((unsigned long )priv->fw_mutex_owner != (unsigned long )tmp) [L8974] EXPR priv->fw_mutex_depth [L8974] priv->fw_mutex_depth = priv->fw_mutex_depth + 1 [L8975] return (0); VAL [\old(ldv_mutex_fw_mutex)=1, \result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp={-3441876564973715476:1154047954269372416}] [L11360] RET, EXPR mwl8k_fw_lock(hw) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_fw_lock(hw)=0, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={521:522}, vif={521:522}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, changed=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, info={520:519}, info={520:519}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, tmp=0, vif={521:522}, vif={521:522}] [L11401] CALL mwl8k_fw_unlock(hw) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8980] struct mwl8k_priv *priv ; [L8982] EXPR hw->priv [L8982] priv = (struct mwl8k_priv *)hw->priv [L8983] EXPR priv->fw_mutex_depth [L8983] priv->fw_mutex_depth = priv->fw_mutex_depth - 1 [L8984] EXPR priv->fw_mutex_depth VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, priv->fw_mutex_depth=0, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8984] COND TRUE priv->fw_mutex_depth == 0 [L8985] EXPR priv->hw_restart_in_progress VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, hw={9223372036854774299:-49}, hw={9223372036854774299:-49}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, priv={-1509:-1509}, priv->hw_restart_in_progress=12, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L8985] COND FALSE !(! priv->hw_restart_in_progress) [L8989] priv->fw_mutex_owner = 0 [L8990] CALL ldv_mutex_unlock_14(& priv->fw_mutex) [L12826] CALL ldv_mutex_unlock_fw_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={-1509:-171}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13064] COND FALSE !(ldv_mutex_fw_mutex == 2) VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={-1509:-171}, lock={-1509:-171}, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L13066] CALL ldv_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] [L12848] reach_error() VAL [\old(ldv_mutex_fw_mutex)=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, ap_mode_default=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_fw_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, mwl8k_channels_24={185:0}, mwl8k_channels_50={187:0}, mwl8k_info_tbl={192:0}, mwl8k_ops={191:0}, mwl8k_rates_24={186:0}, mwl8k_rates_50={188:0}, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 132 procedures, 2505 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 409.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17851 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17851 mSDsluCounter, 29703 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7182 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 22521 mSDtfsCounter, 27 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4886occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 235.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 10417 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 23:47:51,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b3cbde-e98f-4f35-946e-e361e9d3e8a7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample