./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/config/TaipanReach.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_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:40:42,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:40:42,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:40:42,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:40:42,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:40:42,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:40:42,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:40:42,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:40:42,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:40:42,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:40:42,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:40:42,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:40:42,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:40:42,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:40:42,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:40:42,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:40:42,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:40:42,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:40:42,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:40:42,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:40:42,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:40:42,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:40:43,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:40:43,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:40:43,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:40:43,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:40:43,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:40:43,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:40:43,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:40:43,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:40:43,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:40:43,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:40:43,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:40:43,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:40:43,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:40:43,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:40:43,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:40:43,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:40:43,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:40:43,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:40:43,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:40:43,025 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:40:43,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:40:43,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:40:43,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:40:43,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:40:43,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:40:43,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:40:43,077 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:40:43,077 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:40:43,077 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:40:43,077 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:40:43,079 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:40:43,079 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:40:43,079 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:40:43,079 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:40:43,080 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:40:43,080 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:40:43,080 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:40:43,080 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:40:43,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:40:43,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:40:43,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:40:43,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:40:43,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:40:43,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:40:43,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:40:43,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:40:43,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:40:43,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:40:43,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:40:43,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:40:43,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:40:43,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:40:43,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:40:43,087 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:40:43,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:40:43,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:40:43,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:40:43,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:40:43,088 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2021-11-23 03:40:43,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:40:43,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:40:43,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:40:43,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:40:43,427 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:40:43,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-23 03:40:43,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data/8cd81370e/79052dd32c59407abb28add4d852a97f/FLAG25f1da57e [2021-11-23 03:40:44,585 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:40:44,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-23 03:40:44,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data/8cd81370e/79052dd32c59407abb28add4d852a97f/FLAG25f1da57e [2021-11-23 03:40:44,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data/8cd81370e/79052dd32c59407abb28add4d852a97f [2021-11-23 03:40:44,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:40:44,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:40:44,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:40:44,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:40:44,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:40:44,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:44" (1/1) ... [2021-11-23 03:40:44,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d637c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:44, skipping insertion in model container [2021-11-23 03:40:44,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:44" (1/1) ... [2021-11-23 03:40:44,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:40:45,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:40:48,332 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_8dee1c48-8e94-4805-8e92-af9975ff721d/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-23 03:40:48,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:40:48,545 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:40:48,992 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_8dee1c48-8e94-4805-8e92-af9975ff721d/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-23 03:40:49,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:40:49,195 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:40:49,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49 WrapperNode [2021-11-23 03:40:49,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:40:49,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:40:49,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:40:49,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:40:49,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:49,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:49,713 INFO L137 Inliner]: procedures = 415, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 7107 [2021-11-23 03:40:49,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:40:49,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:40:49,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:40:49,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:40:49,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:49,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:49,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:49,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:50,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:50,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:50,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:50,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:40:50,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:40:50,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:40:50,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:40:50,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (1/1) ... [2021-11-23 03:40:50,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:40:50,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:40:50,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:40:50,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:40:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-11-23 03:40:50,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-11-23 03:40:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-11-23 03:40:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-11-23 03:40:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 03:40:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 03:40:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 03:40:50,382 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 03:40:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:40:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:40:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 03:40:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 03:40:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-23 03:40:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-23 03:40:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:40:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:40:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2021-11-23 03:40:50,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2021-11-23 03:40:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 03:40:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 03:40:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-23 03:40:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-23 03:40:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-11-23 03:40:50,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-11-23 03:40:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:40:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 03:40:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 03:40:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-11-23 03:40:50,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-11-23 03:40:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-11-23 03:40:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-11-23 03:40:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-11-23 03:40:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-11-23 03:40:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-23 03:40:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-23 03:40:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2021-11-23 03:40:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2021-11-23 03:40:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:40:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 03:40:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 03:40:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:40:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:40:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-11-23 03:40:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-11-23 03:40:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-11-23 03:40:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-11-23 03:40:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-11-23 03:40:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-11-23 03:40:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:40:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:40:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 03:40:50,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 03:40:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:40:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:40:50,391 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:40:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:40:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-11-23 03:40:50,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-11-23 03:40:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:40:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:40:50,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:40:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-11-23 03:40:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-11-23 03:40:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-11-23 03:40:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-11-23 03:40:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:40:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:40:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-11-23 03:40:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-11-23 03:40:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-23 03:40:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-23 03:40:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 03:40:50,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 03:40:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 03:40:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 03:40:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-23 03:40:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-23 03:40:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-11-23 03:40:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-11-23 03:40:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 03:40:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 03:40:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-11-23 03:40:50,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-11-23 03:40:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:40:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 03:40:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 03:40:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:40:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-23 03:40:50,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-23 03:40:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:40:50,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:40:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:40:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:40:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-11-23 03:40:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-11-23 03:40:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-11-23 03:40:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-11-23 03:40:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-23 03:40:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-23 03:40:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 03:40:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 03:40:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-11-23 03:40:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-11-23 03:40:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:40:50,400 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:40:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-23 03:40:50,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-23 03:40:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-23 03:40:50,401 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-23 03:40:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:40:50,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:40:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-23 03:40:50,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-23 03:40:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 03:40:50,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 03:40:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 03:40:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 03:40:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-11-23 03:40:50,403 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-11-23 03:40:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:40:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:40:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 03:40:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 03:40:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:40:50,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:40:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-23 03:40:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-23 03:40:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-11-23 03:40:50,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-11-23 03:40:50,405 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-11-23 03:40:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-11-23 03:40:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-11-23 03:40:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-11-23 03:40:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-11-23 03:40:50,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-11-23 03:40:50,406 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-11-23 03:40:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-11-23 03:40:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-11-23 03:40:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-11-23 03:40:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-11-23 03:40:50,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-11-23 03:40:50,407 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:40:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:40:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-23 03:40:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-23 03:40:50,408 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-23 03:40:50,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-23 03:40:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:40:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:40:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-23 03:40:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-23 03:40:50,409 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-23 03:40:50,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-23 03:40:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-11-23 03:40:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-11-23 03:40:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-11-23 03:40:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-11-23 03:40:50,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:40:50,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:40:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-23 03:40:50,411 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-23 03:40:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 03:40:50,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 03:40:50,411 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-23 03:40:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-23 03:40:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-11-23 03:40:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-11-23 03:40:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 03:40:50,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 03:40:50,412 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-11-23 03:40:50,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-11-23 03:40:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 03:40:50,413 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 03:40:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-23 03:40:50,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-23 03:40:50,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:40:50,414 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-11-23 03:40:50,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-11-23 03:40:50,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:40:50,414 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-11-23 03:40:50,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-11-23 03:40:50,414 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-11-23 03:40:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-11-23 03:40:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-11-23 03:40:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-11-23 03:40:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-11-23 03:40:50,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-11-23 03:40:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-11-23 03:40:50,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-11-23 03:40:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:40:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 03:40:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 03:40:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:40:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:40:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-23 03:40:50,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-23 03:40:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-11-23 03:40:50,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-11-23 03:40:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 03:40:50,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 03:40:50,418 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-11-23 03:40:50,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-11-23 03:40:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-11-23 03:40:50,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-11-23 03:40:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-11-23 03:40:50,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-11-23 03:40:50,419 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2021-11-23 03:40:50,419 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2021-11-23 03:40:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-23 03:40:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-23 03:40:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 03:40:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 03:40:50,420 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-11-23 03:40:50,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-11-23 03:40:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-11-23 03:40:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-11-23 03:40:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-23 03:40:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-23 03:40:50,421 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-11-23 03:40:50,421 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-11-23 03:40:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-11-23 03:40:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-11-23 03:40:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-11-23 03:40:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-11-23 03:40:50,422 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-11-23 03:40:50,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-11-23 03:40:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:40:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:40:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 03:40:50,423 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 03:40:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:40:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:40:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:40:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-23 03:40:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-23 03:40:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2021-11-23 03:40:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2021-11-23 03:40:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-23 03:40:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-23 03:40:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-23 03:40:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-23 03:40:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-11-23 03:40:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-11-23 03:40:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 03:40:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 03:40:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-11-23 03:40:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-11-23 03:40:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 03:40:50,426 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 03:40:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-11-23 03:40:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-11-23 03:40:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-11-23 03:40:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-11-23 03:40:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-23 03:40:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-11-23 03:40:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-23 03:40:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-23 03:40:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 03:40:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 03:40:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-11-23 03:40:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-11-23 03:40:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-11-23 03:40:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-11-23 03:40:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:40:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:40:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-11-23 03:40:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-11-23 03:40:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 03:40:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 03:40:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:40:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-11-23 03:40:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-11-23 03:40:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-23 03:40:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-23 03:40:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-11-23 03:40:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-11-23 03:40:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-23 03:40:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-23 03:40:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-11-23 03:40:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-11-23 03:40:51,707 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:40:51,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:41:07,131 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:41:09,644 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:41:09,644 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:41:09,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:09 BoogieIcfgContainer [2021-11-23 03:41:09,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:41:09,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:41:09,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:41:09,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:41:09,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:40:44" (1/3) ... [2021-11-23 03:41:09,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3671b1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:09, skipping insertion in model container [2021-11-23 03:41:09,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:49" (2/3) ... [2021-11-23 03:41:09,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3671b1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:09, skipping insertion in model container [2021-11-23 03:41:09,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:09" (3/3) ... [2021-11-23 03:41:09,666 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-23 03:41:09,675 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:41:09,675 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:41:09,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:41:09,756 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=FINITE_AUTOMATA, 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 [2021-11-23 03:41:09,756 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:41:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 1964 states, 1222 states have (on average 1.3330605564648117) internal successors, (1629), 1285 states have internal predecessors, (1629), 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) [2021-11-23 03:41:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 03:41:09,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:09,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:41:09,833 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:41:09,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:09,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1830431302, now seen corresponding path program 1 times [2021-11-23 03:41:09,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:09,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582170419] [2021-11-23 03:41:09,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:09,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:41:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:41:10,443 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:41:10,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582170419] [2021-11-23 03:41:10,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582170419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:41:10,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:41:10,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:41:10,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981346467] [2021-11-23 03:41:10,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:41:10,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:41:10,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:41:10,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:41:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:10,517 INFO L87 Difference]: Start difference. First operand has 1964 states, 1222 states have (on average 1.3330605564648117) internal successors, (1629), 1285 states have internal predecessors, (1629), 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 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-23 03:41:13,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:13,943 INFO L93 Difference]: Finished difference Result 3925 states and 5787 transitions. [2021-11-23 03:41:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:41:13,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 7 [2021-11-23 03:41:13,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:14,008 INFO L225 Difference]: With dead ends: 3925 [2021-11-23 03:41:14,008 INFO L226 Difference]: Without dead ends: 1947 [2021-11-23 03:41:14,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:14,054 INFO L933 BasicCegarLoop]: 2589 mSDtfsCounter, 2833 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:14,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2833 Valid, 2589 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 03:41:14,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2021-11-23 03:41:14,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2021-11-23 03:41:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1208 states have (on average 1.3236754966887416) internal successors, (1599), 1268 states have internal predecessors, (1599), 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) [2021-11-23 03:41:14,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2809 transitions. [2021-11-23 03:41:14,344 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2809 transitions. Word has length 7 [2021-11-23 03:41:14,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:41:14,345 INFO L470 AbstractCegarLoop]: Abstraction has 1947 states and 2809 transitions. [2021-11-23 03:41:14,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2021-11-23 03:41:14,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2809 transitions. [2021-11-23 03:41:14,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 03:41:14,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:14,347 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:41:14,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:41:14,348 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:41:14,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:14,349 INFO L85 PathProgramCache]: Analyzing trace with hash 907632847, now seen corresponding path program 1 times [2021-11-23 03:41:14,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:14,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655611928] [2021-11-23 03:41:14,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:14,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:41:14,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:41:14,583 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:41:14,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655611928] [2021-11-23 03:41:14,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655611928] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:41:14,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:41:14,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:41:14,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697305013] [2021-11-23 03:41:14,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:41:14,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:41:14,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:41:14,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:41:14,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:14,589 INFO L87 Difference]: Start difference. First operand 1947 states and 2809 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-23 03:41:17,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:22,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:22,656 INFO L93 Difference]: Finished difference Result 5776 states and 8681 transitions. [2021-11-23 03:41:22,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:41:22,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 8 [2021-11-23 03:41:22,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:22,696 INFO L225 Difference]: With dead ends: 5776 [2021-11-23 03:41:22,696 INFO L226 Difference]: Without dead ends: 3830 [2021-11-23 03:41:22,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:22,713 INFO L933 BasicCegarLoop]: 3264 mSDtfsCounter, 2819 mSDsluCounter, 2869 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 5892 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:22,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2819 Valid, 5892 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-11-23 03:41:22,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2021-11-23 03:41:22,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3827. [2021-11-23 03:41:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 2379 states have (on average 1.3224043715846994) internal successors, (3146), 2492 states have internal predecessors, (3146), 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) [2021-11-23 03:41:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5700 transitions. [2021-11-23 03:41:22,979 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5700 transitions. Word has length 8 [2021-11-23 03:41:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:41:22,979 INFO L470 AbstractCegarLoop]: Abstraction has 3827 states and 5700 transitions. [2021-11-23 03:41:22,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-23 03:41:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5700 transitions. [2021-11-23 03:41:22,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 03:41:22,980 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:22,980 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:41:22,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:41:22,981 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:41:22,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:22,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1929310615, now seen corresponding path program 1 times [2021-11-23 03:41:22,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:22,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028906522] [2021-11-23 03:41:22,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:22,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:41:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:41:23,196 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:41:23,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028906522] [2021-11-23 03:41:23,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028906522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:41:23,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:41:23,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:41:23,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215146271] [2021-11-23 03:41:23,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:41:23,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:41:23,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:41:23,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:41:23,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:23,202 INFO L87 Difference]: Start difference. First operand 3827 states and 5700 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 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) [2021-11-23 03:41:27,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:27,320 INFO L93 Difference]: Finished difference Result 3829 states and 5701 transitions. [2021-11-23 03:41:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:41:27,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 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 [2021-11-23 03:41:27,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:27,360 INFO L225 Difference]: With dead ends: 3829 [2021-11-23 03:41:27,360 INFO L226 Difference]: Without dead ends: 3826 [2021-11-23 03:41:27,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:27,370 INFO L933 BasicCegarLoop]: 2560 mSDtfsCounter, 2801 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 2560 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:27,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2801 Valid, 2560 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-23 03:41:27,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2021-11-23 03:41:27,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3826. [2021-11-23 03:41:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2379 states have (on average 1.3219840269020597) internal successors, (3145), 2491 states have internal predecessors, (3145), 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) [2021-11-23 03:41:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5698 transitions. [2021-11-23 03:41:27,621 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5698 transitions. Word has length 9 [2021-11-23 03:41:27,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:41:27,622 INFO L470 AbstractCegarLoop]: Abstraction has 3826 states and 5698 transitions. [2021-11-23 03:41:27,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 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) [2021-11-23 03:41:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5698 transitions. [2021-11-23 03:41:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 03:41:27,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:27,624 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:41:27,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:41:27,624 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:41:27,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:27,625 INFO L85 PathProgramCache]: Analyzing trace with hash 319760146, now seen corresponding path program 1 times [2021-11-23 03:41:27,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:27,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811698141] [2021-11-23 03:41:27,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:27,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:41:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:41:27,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:41:27,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811698141] [2021-11-23 03:41:27,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811698141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:41:27,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:41:27,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:41:27,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492891105] [2021-11-23 03:41:27,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:41:27,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:41:27,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:41:27,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:41:27,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:27,808 INFO L87 Difference]: Start difference. First operand 3826 states and 5698 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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) [2021-11-23 03:41:30,586 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 [] [2021-11-23 03:41:35,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:35,799 INFO L93 Difference]: Finished difference Result 7643 states and 11380 transitions. [2021-11-23 03:41:35,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:41:35,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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 [2021-11-23 03:41:35,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:35,874 INFO L225 Difference]: With dead ends: 7643 [2021-11-23 03:41:35,874 INFO L226 Difference]: Without dead ends: 7640 [2021-11-23 03:41:35,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:35,880 INFO L933 BasicCegarLoop]: 3188 mSDtfsCounter, 2791 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 5745 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:35,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2791 Valid, 5745 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 493 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2021-11-23 03:41:35,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7640 states. [2021-11-23 03:41:36,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7640 to 7621. [2021-11-23 03:41:36,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7621 states, 4740 states have (on average 1.3227848101265822) internal successors, (6270), 4963 states have internal predecessors, (6270), 2367 states have call successors, (2367), 515 states have call predecessors, (2367), 513 states have return successors, (2721), 2309 states have call predecessors, (2721), 2361 states have call successors, (2721) [2021-11-23 03:41:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7621 states to 7621 states and 11358 transitions. [2021-11-23 03:41:36,525 INFO L78 Accepts]: Start accepts. Automaton has 7621 states and 11358 transitions. Word has length 10 [2021-11-23 03:41:36,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:41:36,526 INFO L470 AbstractCegarLoop]: Abstraction has 7621 states and 11358 transitions. [2021-11-23 03:41:36,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 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) [2021-11-23 03:41:36,527 INFO L276 IsEmpty]: Start isEmpty. Operand 7621 states and 11358 transitions. [2021-11-23 03:41:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:41:36,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:36,528 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:41:36,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:41:36,528 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:41:36,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:36,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1321481868, now seen corresponding path program 1 times [2021-11-23 03:41:36,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:36,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156274098] [2021-11-23 03:41:36,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:36,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:41:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:41:36,686 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:41:36,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156274098] [2021-11-23 03:41:36,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156274098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:41:36,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:41:36,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:41:36,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532160322] [2021-11-23 03:41:36,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:41:36,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:41:36,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:41:36,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:41:36,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:36,690 INFO L87 Difference]: Start difference. First operand 7621 states and 11358 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2021-11-23 03:41:40,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:40,631 INFO L93 Difference]: Finished difference Result 7623 states and 11359 transitions. [2021-11-23 03:41:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:41:40,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 [2021-11-23 03:41:40,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:40,705 INFO L225 Difference]: With dead ends: 7623 [2021-11-23 03:41:40,706 INFO L226 Difference]: Without dead ends: 7614 [2021-11-23 03:41:40,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:41:40,713 INFO L933 BasicCegarLoop]: 2559 mSDtfsCounter, 2797 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2797 SdHoareTripleChecker+Valid, 2559 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:40,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2797 Valid, 2559 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-11-23 03:41:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7614 states. [2021-11-23 03:41:41,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7614 to 7614. [2021-11-23 03:41:41,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7614 states, 4734 states have (on average 1.3223489649345164) internal successors, (6260), 4956 states have internal predecessors, (6260), 2366 states have call successors, (2366), 515 states have call predecessors, (2366), 513 states have return successors, (2721), 2309 states have call predecessors, (2721), 2361 states have call successors, (2721) [2021-11-23 03:41:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7614 states to 7614 states and 11347 transitions. [2021-11-23 03:41:41,322 INFO L78 Accepts]: Start accepts. Automaton has 7614 states and 11347 transitions. Word has length 11 [2021-11-23 03:41:41,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:41:41,323 INFO L470 AbstractCegarLoop]: Abstraction has 7614 states and 11347 transitions. [2021-11-23 03:41:41,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2021-11-23 03:41:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 7614 states and 11347 transitions. [2021-11-23 03:41:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 03:41:41,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:41:41,339 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] [2021-11-23 03:41:41,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:41:41,340 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:41:41,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:41:41,341 INFO L85 PathProgramCache]: Analyzing trace with hash -393970023, now seen corresponding path program 1 times [2021-11-23 03:41:41,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:41:41,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650979480] [2021-11-23 03:41:41,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:41:41,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:41:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:41:41,645 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 03:41:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 03:41:41,944 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 03:41:41,944 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 03:41:41,945 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:41:41,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:41:41,951 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-23 03:41:41,954 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:41:42,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:41:42 BoogieIcfgContainer [2021-11-23 03:41:42,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:41:42,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:41:42,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:41:42,071 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:41:42,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:09" (3/4) ... [2021-11-23 03:41:42,082 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 03:41:42,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:41:42,083 INFO L158 Benchmark]: Toolchain (without parser) took 57146.53ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 81.8MB in the beginning and 1.1GB in the end (delta: -985.9MB). Peak memory consumption was 326.1MB. Max. memory is 16.1GB. [2021-11-23 03:41:42,084 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:41:42,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4254.55ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 81.2MB in the beginning and 83.4MB in the end (delta: -2.2MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. [2021-11-23 03:41:42,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 516.56ms. Allocated memory is still 180.4MB. Free memory was 83.4MB in the beginning and 72.0MB in the end (delta: 11.4MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-11-23 03:41:42,087 INFO L158 Benchmark]: Boogie Preprocessor took 505.47ms. Allocated memory was 180.4MB in the beginning and 289.4MB in the end (delta: 109.1MB). Free memory was 72.0MB in the beginning and 154.6MB in the end (delta: -82.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 03:41:42,087 INFO L158 Benchmark]: RCFGBuilder took 19431.30ms. Allocated memory was 289.4MB in the beginning and 945.8MB in the end (delta: 656.4MB). Free memory was 153.5MB in the beginning and 542.3MB in the end (delta: -388.8MB). Peak memory consumption was 552.7MB. Max. memory is 16.1GB. [2021-11-23 03:41:42,088 INFO L158 Benchmark]: TraceAbstraction took 32416.67ms. Allocated memory was 945.8MB in the beginning and 1.4GB in the end (delta: 484.4MB). Free memory was 542.3MB in the beginning and 1.1GB in the end (delta: -526.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:41:42,088 INFO L158 Benchmark]: Witness Printer took 11.74ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:41:42,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4254.55ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 81.2MB in the beginning and 83.4MB in the end (delta: -2.2MB). Peak memory consumption was 93.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 516.56ms. Allocated memory is still 180.4MB. Free memory was 83.4MB in the beginning and 72.0MB in the end (delta: 11.4MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 505.47ms. Allocated memory was 180.4MB in the beginning and 289.4MB in the end (delta: 109.1MB). Free memory was 72.0MB in the beginning and 154.6MB in the end (delta: -82.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * RCFGBuilder took 19431.30ms. Allocated memory was 289.4MB in the beginning and 945.8MB in the end (delta: 656.4MB). Free memory was 153.5MB in the beginning and 542.3MB in the end (delta: -388.8MB). Peak memory consumption was 552.7MB. Max. memory is 16.1GB. * TraceAbstraction took 32416.67ms. Allocated memory was 945.8MB in the beginning and 1.4GB in the end (delta: 484.4MB). Free memory was 542.3MB in the beginning and 1.1GB in the end (delta: -526.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.74ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 1.0MB). 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 ; [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 [L12562] RET ldv_initialize() [L12704] tmp___0 = __VERIFIER_nondet_int() [L12705] COND TRUE tmp___0 != 0 || ldv_s_mwl8k_driver_pci_driver != 0 [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)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, 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={5244:-1338}, priv->ap_fw=257, rxd_8366_ap_ops={189:0}, rxd_sta_ops={190:0}, vif={5247:5251}, vif={5247:5251}] [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)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, 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={5247:5251}, vif={5247:5251}] [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: [L6185] return (pfo_ret__); [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={5244:0}, hw={5244:0}, 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={5244:-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={5244:0}, hw={5244:0}, 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={5244:-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={5244:0}, hw={5244:0}, 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={5244:-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)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, 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={5247:5251}, vif={5247:5251}] [L11360] tmp = mwl8k_fw_lock(hw) [L11361] COND FALSE !(tmp != 0) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, 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={5247:5251}, vif={5247:5251}] [L11365] COND FALSE !((changed & 4U) != 0U) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, 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={5247:5251}, vif={5247:5251}] [L11373] COND FALSE !((changed & 32U) != 0U) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, 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={5247:5251}, vif={5247:5251}] [L11387] COND FALSE !((changed & 320U) != 0U) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, 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={5247:5251}, vif={5247:5251}] [L11396] COND FALSE !((changed & 512U) != 0U) VAL [\old(changed)=5246, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_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=5246, hw={5244:0}, hw={5244:0}, info={5250:5241}, info={5250:5241}, 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={5247:5251}, vif={5247:5251}] [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={5244:0}, hw={5244:0}, 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={5244:-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={5244:0}, hw={5244:0}, 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={5244:-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={5244:0}, 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={5244:0}, lock={5244:0}, 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, 1964 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 14041 SdHoareTripleChecker+Valid, 25.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14041 mSDsluCounter, 19345 SdHoareTripleChecker+Invalid, 24.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5670 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1740 IncrementalHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 14160 mSDtfsCounter, 1740 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7621occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 [2021-11-23 03:41:42,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/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_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/config/TaipanReach.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_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:41:45,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:41:45,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:41:45,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:41:45,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:41:45,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:41:45,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:41:45,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:41:45,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:41:45,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:41:45,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:41:45,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:41:45,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:41:45,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:41:45,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:41:45,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:41:45,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:41:45,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:41:45,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:41:45,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:41:45,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:41:45,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:41:45,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:41:45,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:41:45,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:41:45,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:41:45,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:41:45,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:41:45,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:41:45,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:41:45,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:41:45,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:41:45,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:41:45,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:41:45,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:41:45,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:41:45,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:41:45,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:41:45,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:41:45,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:41:45,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:41:45,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 03:41:45,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:41:45,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:41:45,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:41:45,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:41:45,213 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:41:45,213 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:41:45,214 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:41:45,214 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:41:45,214 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:41:45,214 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:41:45,216 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:41:45,216 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:41:45,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:41:45,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:41:45,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:41:45,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:41:45,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:41:45,220 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:41:45,220 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:41:45,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:41:45,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:41:45,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:41:45,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:41:45,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:41:45,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:41:45,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:41:45,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:41:45,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:41:45,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:41:45,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:41:45,224 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:41:45,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:41:45,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:41:45,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:41:45,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:41:45,225 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_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88fd9ed443c9e913942e0f91257791e63e9fb5c07749ca0560c8eff1bad8360 [2021-11-23 03:41:45,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:41:45,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:41:45,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:41:45,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:41:45,721 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:41:45,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-23 03:41:45,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data/2e6ea7a45/b10858140fd64506898236c1a07cbc46/FLAGd7a249a64 [2021-11-23 03:41:46,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:41:46,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-23 03:41:46,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data/2e6ea7a45/b10858140fd64506898236c1a07cbc46/FLAGd7a249a64 [2021-11-23 03:41:47,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/data/2e6ea7a45/b10858140fd64506898236c1a07cbc46 [2021-11-23 03:41:47,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:41:47,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:41:47,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:41:47,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:41:47,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:41:47,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:47" (1/1) ... [2021-11-23 03:41:47,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c3425a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:47, skipping insertion in model container [2021-11-23 03:41:47,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:47" (1/1) ... [2021-11-23 03:41:47,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:41:47,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:41:51,020 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_8dee1c48-8e94-4805-8e92-af9975ff721d/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-23 03:41:51,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:41:51,301 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 03:41:51,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:41:51,956 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_8dee1c48-8e94-4805-8e92-af9975ff721d/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-23 03:41:51,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:41:52,000 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:41:52,691 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_8dee1c48-8e94-4805-8e92-af9975ff721d/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i[369202,369215] [2021-11-23 03:41:52,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:41:52,952 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:41:52,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52 WrapperNode [2021-11-23 03:41:52,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:41:52,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:41:52,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:41:52,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:41:52,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,434 INFO L137 Inliner]: procedures = 429, calls = 3347, calls flagged for inlining = 192, calls inlined = 163, statements flattened = 6892 [2021-11-23 03:41:53,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:41:53,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:41:53,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:41:53,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:41:53,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:41:53,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:41:53,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:41:53,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:41:53,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (1/1) ... [2021-11-23 03:41:53,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:41:53,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:41:53,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:41:53,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:41:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2021-11-23 03:41:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2021-11-23 03:41:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2021-11-23 03:41:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2021-11-23 03:41:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 03:41:53,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 03:41:53,914 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 03:41:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 03:41:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:41:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:41:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 03:41:53,915 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 03:41:53,915 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-23 03:41:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-23 03:41:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:41:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:41:53,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_fw_mutex [2021-11-23 03:41:53,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_fw_mutex [2021-11-23 03:41:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 03:41:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 03:41:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-23 03:41:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-23 03:41:53,917 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2021-11-23 03:41:53,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2021-11-23 03:41:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:41:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 03:41:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 03:41:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2021-11-23 03:41:53,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2021-11-23 03:41:53,918 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2021-11-23 03:41:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2021-11-23 03:41:53,919 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2021-11-23 03:41:53,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2021-11-23 03:41:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-23 03:41:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-23 03:41:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_init [2021-11-23 03:41:53,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_init [2021-11-23 03:41:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:41:53,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 03:41:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 03:41:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 03:41:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 03:41:53,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 03:41:53,921 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:41:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:41:53,922 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2021-11-23 03:41:53,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2021-11-23 03:41:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2021-11-23 03:41:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2021-11-23 03:41:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2021-11-23 03:41:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2021-11-23 03:41:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:41:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:41:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 03:41:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 03:41:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:41:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:41:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2021-11-23 03:41:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2021-11-23 03:41:53,927 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:41:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:41:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2021-11-23 03:41:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2021-11-23 03:41:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2021-11-23 03:41:53,928 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2021-11-23 03:41:53,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:41:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:41:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2021-11-23 03:41:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2021-11-23 03:41:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-23 03:41:53,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-23 03:41:53,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 03:41:53,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 03:41:53,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 03:41:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 03:41:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-23 03:41:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-23 03:41:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2021-11-23 03:41:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2021-11-23 03:41:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-23 03:41:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-23 03:41:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2021-11-23 03:41:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2021-11-23 03:41:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:41:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-23 03:41:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-23 03:41:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:41:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-23 03:41:53,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-23 03:41:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:41:53,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:41:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:41:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:41:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 03:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 03:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2021-11-23 03:41:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2021-11-23 03:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 03:41:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2021-11-23 03:41:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2021-11-23 03:41:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2021-11-23 03:41:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2021-11-23 03:41:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 03:41:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 03:41:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2021-11-23 03:41:53,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2021-11-23 03:41:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:41:53,939 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:41:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-23 03:41:53,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-23 03:41:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2021-11-23 03:41:53,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2021-11-23 03:41:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 03:41:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:41:53,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:41:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-23 03:41:53,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-23 03:41:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 03:41:53,946 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 03:41:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 03:41:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 03:41:53,954 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 03:41:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2021-11-23 03:41:53,955 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2021-11-23 03:41:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 03:41:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 03:41:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:41:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 03:41:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:41:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 03:41:53,956 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 03:41:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 03:41:53,956 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 03:41:53,956 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-23 03:41:53,956 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-23 03:41:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2021-11-23 03:41:53,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2021-11-23 03:41:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2021-11-23 03:41:53,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2021-11-23 03:41:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2021-11-23 03:41:53,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2021-11-23 03:41:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2021-11-23 03:41:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2021-11-23 03:41:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2021-11-23 03:41:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2021-11-23 03:41:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2021-11-23 03:41:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2021-11-23 03:41:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2021-11-23 03:41:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2021-11-23 03:41:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 03:41:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 03:41:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-23 03:41:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-23 03:41:53,959 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2021-11-23 03:41:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2021-11-23 03:41:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 03:41:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 03:41:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-23 03:41:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-23 03:41:53,960 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-23 03:41:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-23 03:41:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2021-11-23 03:41:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2021-11-23 03:41:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2021-11-23 03:41:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2021-11-23 03:41:53,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:41:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:41:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-23 03:41:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-23 03:41:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 03:41:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 03:41:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-23 03:41:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-23 03:41:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2021-11-23 03:41:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2021-11-23 03:41:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 03:41:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 03:41:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2021-11-23 03:41:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2021-11-23 03:41:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 03:41:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 03:41:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-23 03:41:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-23 03:41:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:41:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2021-11-23 03:41:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2021-11-23 03:41:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:41:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2021-11-23 03:41:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2021-11-23 03:41:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2021-11-23 03:41:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2021-11-23 03:41:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2021-11-23 03:41:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2021-11-23 03:41:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2021-11-23 03:41:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2021-11-23 03:41:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 03:41:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 03:41:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 03:41:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2021-11-23 03:41:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2021-11-23 03:41:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 03:41:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:41:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-23 03:41:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-23 03:41:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:41:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:41:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-23 03:41:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-23 03:41:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2021-11-23 03:41:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2021-11-23 03:41:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 03:41:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 03:41:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2021-11-23 03:41:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2021-11-23 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2021-11-23 03:41:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2021-11-23 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2021-11-23 03:41:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2021-11-23 03:41:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_process [2021-11-23 03:41:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_process [2021-11-23 03:41:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-23 03:41:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2021-11-23 03:41:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 03:41:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 03:41:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2021-11-23 03:41:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2021-11-23 03:41:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-11-23 03:41:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-11-23 03:41:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-23 03:41:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-23 03:41:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2021-11-23 03:41:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2021-11-23 03:41:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2021-11-23 03:41:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2021-11-23 03:41:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2021-11-23 03:41:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2021-11-23 03:41:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2021-11-23 03:41:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2021-11-23 03:41:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:41:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:41:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-23 03:41:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-23 03:41:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 03:41:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 03:41:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 03:41:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 03:41:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:41:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:41:53,983 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-23 03:41:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-23 03:41:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_8366_ap_refill [2021-11-23 03:41:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_8366_ap_refill [2021-11-23 03:41:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-23 03:41:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-23 03:41:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2021-11-23 03:41:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2021-11-23 03:41:53,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2021-11-23 03:41:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2021-11-23 03:41:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 03:41:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 03:41:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2021-11-23 03:41:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2021-11-23 03:41:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-23 03:41:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-23 03:41:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2021-11-23 03:41:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2021-11-23 03:41:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2021-11-23 03:41:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2021-11-23 03:41:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-11-23 03:41:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-11-23 03:41:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-23 03:41:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-23 03:41:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 03:41:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 03:41:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2021-11-23 03:41:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2021-11-23 03:41:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2021-11-23 03:41:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2021-11-23 03:41:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:41:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:41:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2021-11-23 03:41:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2021-11-23 03:41:53,987 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-23 03:41:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-23 03:41:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2021-11-23 03:41:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2021-11-23 03:41:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2021-11-23 03:41:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2021-11-23 03:41:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2021-11-23 03:41:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2021-11-23 03:41:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-23 03:41:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-23 03:41:53,988 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-11-23 03:41:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-11-23 03:41:55,099 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:41:55,103 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:43:41,927 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:43:42,015 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:43:42,024 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 03:43:42,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:42 BoogieIcfgContainer [2021-11-23 03:43:42,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:43:42,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:43:42,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:43:42,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:43:42,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:41:47" (1/3) ... [2021-11-23 03:43:42,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646bdfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:42, skipping insertion in model container [2021-11-23 03:43:42,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:52" (2/3) ... [2021-11-23 03:43:42,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646bdfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:43:42, skipping insertion in model container [2021-11-23 03:43:42,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:42" (3/3) ... [2021-11-23 03:43:42,039 INFO L111 eAbstractionObserver]: Analyzing ICFG main0_drivers-net-wireless-mwl8k-ko---32_7a--linux-3.7.3.i [2021-11-23 03:43:42,045 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:43:42,046 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:43:42,120 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:43:42,130 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=FINITE_AUTOMATA, 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 [2021-11-23 03:43:42,130 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:43:42,208 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) [2021-11-23 03:43:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 03:43:42,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:42,213 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:43:42,213 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:43:42,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:42,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1001382404, now seen corresponding path program 1 times [2021-11-23 03:43:42,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:43:42,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729119888] [2021-11-23 03:43:42,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:42,236 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:43:42,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:43:42,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:43:42,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 03:43:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:44,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:43:44,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:43:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:44,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:43:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:44,559 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:43:44,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729119888] [2021-11-23 03:43:44,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729119888] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:44,560 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:44,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:43:44,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325411754] [2021-11-23 03:43:44,562 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:44,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:43:44,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:43:44,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:43:44,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:44,612 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) [2021-11-23 03:43:45,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:45,152 INFO L93 Difference]: Finished difference Result 5004 states and 7401 transitions. [2021-11-23 03:43:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:43:45,155 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 [2021-11-23 03:43:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:45,188 INFO L225 Difference]: With dead ends: 5004 [2021-11-23 03:43:45,188 INFO L226 Difference]: Without dead ends: 2485 [2021-11-23 03:43:45,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:45,213 INFO L933 BasicCegarLoop]: 3604 mSDtfsCounter, 3599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2021-11-23 03:43:45,214 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] [2021-11-23 03:43:45,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2021-11-23 03:43:45,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2485. [2021-11-23 03:43:45,426 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) [2021-11-23 03:43:45,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2485 states and 3575 transitions. [2021-11-23 03:43:45,453 INFO L78 Accepts]: Start accepts. Automaton has 2485 states and 3575 transitions. Word has length 9 [2021-11-23 03:43:45,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:45,454 INFO L470 AbstractCegarLoop]: Abstraction has 2485 states and 3575 transitions. [2021-11-23 03:43:45,454 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) [2021-11-23 03:43:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 3575 transitions. [2021-11-23 03:43:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 03:43:45,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:45,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:43:45,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 03:43:45,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:43:45,669 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:43:45,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:45,670 INFO L85 PathProgramCache]: Analyzing trace with hash 976920785, now seen corresponding path program 1 times [2021-11-23 03:43:45,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:43:45,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582142724] [2021-11-23 03:43:45,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:45,673 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:43:45,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:43:45,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:43:45,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 03:43:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:47,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:43:47,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:43:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:47,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:43:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:47,928 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:43:47,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582142724] [2021-11-23 03:43:47,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582142724] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:47,928 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:47,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:43:47,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385137296] [2021-11-23 03:43:47,929 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:47,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:43:47,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:43:47,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:43:47,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:47,931 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) [2021-11-23 03:43:48,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:48,520 INFO L93 Difference]: Finished difference Result 7371 states and 10955 transitions. [2021-11-23 03:43:48,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:43:48,521 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 [2021-11-23 03:43:48,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:48,571 INFO L225 Difference]: With dead ends: 7371 [2021-11-23 03:43:48,571 INFO L226 Difference]: Without dead ends: 4889 [2021-11-23 03:43:48,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:48,595 INFO L933 BasicCegarLoop]: 4639 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, 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, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:43:48,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3566 Valid, 8267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 03:43:48,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4889 states. [2021-11-23 03:43:48,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4889 to 4886. [2021-11-23 03:43:48,884 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) [2021-11-23 03:43:48,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7209 transitions. [2021-11-23 03:43:48,934 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7209 transitions. Word has length 10 [2021-11-23 03:43:48,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:48,934 INFO L470 AbstractCegarLoop]: Abstraction has 4886 states and 7209 transitions. [2021-11-23 03:43:48,934 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) [2021-11-23 03:43:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7209 transitions. [2021-11-23 03:43:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 03:43:48,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:48,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:43:48,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-23 03:43:49,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:43:49,152 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:43:49,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:49,152 INFO L85 PathProgramCache]: Analyzing trace with hash 218615463, now seen corresponding path program 1 times [2021-11-23 03:43:49,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:43:49,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617867986] [2021-11-23 03:43:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:49,155 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:43:49,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:43:49,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:43:49,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-23 03:43:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:50,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:43:50,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:43:51,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:51,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:43:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:51,270 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:43:51,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617867986] [2021-11-23 03:43:51,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617867986] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:51,270 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:51,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:43:51,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705075526] [2021-11-23 03:43:51,271 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:51,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:43:51,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:43:51,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:43:51,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:51,272 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) [2021-11-23 03:43:51,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:51,635 INFO L93 Difference]: Finished difference Result 4888 states and 7210 transitions. [2021-11-23 03:43:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:43:51,636 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 [2021-11-23 03:43:51,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:51,681 INFO L225 Difference]: With dead ends: 4888 [2021-11-23 03:43:51,681 INFO L226 Difference]: Without dead ends: 4885 [2021-11-23 03:43:51,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:51,689 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 [2021-11-23 03:43:51,691 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] [2021-11-23 03:43:51,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4885 states. [2021-11-23 03:43:51,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4885 to 4885. [2021-11-23 03:43:51,974 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) [2021-11-23 03:43:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 4885 states and 7207 transitions. [2021-11-23 03:43:52,121 INFO L78 Accepts]: Start accepts. Automaton has 4885 states and 7207 transitions. Word has length 11 [2021-11-23 03:43:52,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:52,122 INFO L470 AbstractCegarLoop]: Abstraction has 4885 states and 7207 transitions. [2021-11-23 03:43:52,122 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) [2021-11-23 03:43:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 4885 states and 7207 transitions. [2021-11-23 03:43:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 03:43:52,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:52,123 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:43:52,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-23 03:43:52,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:43:52,344 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:43:52,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:52,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1814008172, now seen corresponding path program 1 times [2021-11-23 03:43:52,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:43:52,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872428612] [2021-11-23 03:43:52,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:52,347 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:43:52,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:43:52,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:43:52,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-23 03:43:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:53,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:43:53,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:43:54,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:54,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:43:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:54,382 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:43:54,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872428612] [2021-11-23 03:43:54,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872428612] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:54,383 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:54,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:43:54,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264221818] [2021-11-23 03:43:54,384 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:54,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:43:54,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:43:54,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:43:54,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:54,385 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) [2021-11-23 03:43:54,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:54,769 INFO L93 Difference]: Finished difference Result 4887 states and 7208 transitions. [2021-11-23 03:43:54,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:43:54,770 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 [2021-11-23 03:43:54,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:54,810 INFO L225 Difference]: With dead ends: 4887 [2021-11-23 03:43:54,810 INFO L226 Difference]: Without dead ends: 4884 [2021-11-23 03:43:54,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:54,817 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 [2021-11-23 03:43:54,818 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] [2021-11-23 03:43:54,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2021-11-23 03:43:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4884. [2021-11-23 03:43:55,139 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) [2021-11-23 03:43:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4884 states and 7205 transitions. [2021-11-23 03:43:55,184 INFO L78 Accepts]: Start accepts. Automaton has 4884 states and 7205 transitions. Word has length 12 [2021-11-23 03:43:55,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:55,185 INFO L470 AbstractCegarLoop]: Abstraction has 4884 states and 7205 transitions. [2021-11-23 03:43:55,186 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) [2021-11-23 03:43:55,186 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 7205 transitions. [2021-11-23 03:43:55,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 03:43:55,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:55,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:43:55,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-23 03:43:55,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:43:55,412 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:43:55,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:55,412 INFO L85 PathProgramCache]: Analyzing trace with hash -400826550, now seen corresponding path program 1 times [2021-11-23 03:43:55,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:43:55,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908242529] [2021-11-23 03:43:55,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:55,415 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:43:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:43:55,417 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:43:55,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-23 03:43:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:57,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:43:57,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:43:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:57,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:43:57,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:43:57,600 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:43:57,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908242529] [2021-11-23 03:43:57,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908242529] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:57,601 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:57,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:43:57,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395638103] [2021-11-23 03:43:57,601 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:57,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:43:57,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:43:57,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:43:57,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:57,603 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) [2021-11-23 03:43:58,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:58,006 INFO L93 Difference]: Finished difference Result 4886 states and 7206 transitions. [2021-11-23 03:43:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:43:58,032 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 [2021-11-23 03:43:58,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:58,081 INFO L225 Difference]: With dead ends: 4886 [2021-11-23 03:43:58,081 INFO L226 Difference]: Without dead ends: 4877 [2021-11-23 03:43:58,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:43:58,086 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 [2021-11-23 03:43:58,087 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] [2021-11-23 03:43:58,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4877 states. [2021-11-23 03:43:58,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4877 to 4877. [2021-11-23 03:43:58,435 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) [2021-11-23 03:43:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7195 transitions. [2021-11-23 03:43:58,472 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7195 transitions. Word has length 13 [2021-11-23 03:43:58,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:58,473 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7195 transitions. [2021-11-23 03:43:58,473 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) [2021-11-23 03:43:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7195 transitions. [2021-11-23 03:43:58,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 03:43:58,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:58,488 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] [2021-11-23 03:43:58,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-23 03:43:58,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:43:58,702 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:43:58,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:58,703 INFO L85 PathProgramCache]: Analyzing trace with hash 155338824, now seen corresponding path program 1 times [2021-11-23 03:43:58,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:43:58,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379973642] [2021-11-23 03:43:58,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:58,705 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:43:58,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:43:58,705 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:43:58,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-23 03:44:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:44:00,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 03:44:00,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:44:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:44:00,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:44:01,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:44:01,315 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 03:44:01,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379973642] [2021-11-23 03:44:01,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379973642] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 03:44:01,316 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:44:01,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-23 03:44:01,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890151010] [2021-11-23 03:44:01,316 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 03:44:01,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:44:01,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 03:44:01,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:44:01,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:44:01,318 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) [2021-11-23 03:44:01,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:44:01,774 INFO L93 Difference]: Finished difference Result 9753 states and 14741 transitions. [2021-11-23 03:44:01,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:44:01,775 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 [2021-11-23 03:44:01,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:44:01,833 INFO L225 Difference]: With dead ends: 9753 [2021-11-23 03:44:01,834 INFO L226 Difference]: Without dead ends: 4879 [2021-11-23 03:44:01,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:44:01,877 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 [2021-11-23 03:44:01,878 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] [2021-11-23 03:44:01,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2021-11-23 03:44:02,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4877. [2021-11-23 03:44:02,213 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) [2021-11-23 03:44:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 7189 transitions. [2021-11-23 03:44:02,246 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 7189 transitions. Word has length 53 [2021-11-23 03:44:02,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:44:02,247 INFO L470 AbstractCegarLoop]: Abstraction has 4877 states and 7189 transitions. [2021-11-23 03:44:02,247 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) [2021-11-23 03:44:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 7189 transitions. [2021-11-23 03:44:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 03:44:02,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:44:02,258 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] [2021-11-23 03:44:02,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-23 03:44:02,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 03:44:02,484 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:44:02,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:44:02,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1711701568, now seen corresponding path program 1 times [2021-11-23 03:44:02,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 03:44:02,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816114160] [2021-11-23 03:44:02,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:44:02,486 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 03:44:02,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 03:44:02,487 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 03:44:02,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dee1c48-8e94-4805-8e92-af9975ff721d/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process