./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:46:40,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:46:40,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:46:40,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:46:40,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:46:40,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:46:40,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:46:40,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:46:40,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:46:40,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:46:40,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:46:40,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:46:40,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:46:40,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:46:40,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:46:40,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:46:40,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:46:40,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:46:40,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:46:40,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:46:40,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:46:40,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:46:40,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:46:40,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:46:40,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:46:40,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:46:40,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:46:40,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:46:40,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:46:40,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:46:40,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:46:40,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:46:40,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:46:40,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:46:40,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:46:40,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:46:40,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:46:40,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:46:40,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:46:40,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:46:40,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:46:40,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:46:41,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:46:41,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:46:41,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:46:41,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:46:41,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:46:41,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:46:41,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:46:41,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:46:41,011 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:46:41,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:46:41,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:46:41,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:46:41,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:46:41,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:46:41,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:46:41,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:46:41,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:46:41,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:46:41,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:46:41,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:46:41,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:46:41,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:46:41,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:46:41,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:46:41,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:46:41,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:46:41,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:46:41,015 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:46:41,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:46:41,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:46:41,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:46:41,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 [2021-12-14 17:46:41,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:46:41,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:46:41,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:46:41,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:46:41,260 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:46:41,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2021-12-14 17:46:41,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc7d1e15b/8c2b2138f99c4d0bbbdab1881900456b/FLAG1a116735e [2021-12-14 17:46:42,144 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:46:42,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2021-12-14 17:46:42,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc7d1e15b/8c2b2138f99c4d0bbbdab1881900456b/FLAG1a116735e [2021-12-14 17:46:42,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc7d1e15b/8c2b2138f99c4d0bbbdab1881900456b [2021-12-14 17:46:42,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:46:42,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:46:42,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:46:42,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:46:42,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:46:42,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:42,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7e9db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:42, skipping insertion in model container [2021-12-14 17:46:42,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:46:42" (1/1) ... [2021-12-14 17:46:42,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:46:42,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:46:43,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2021-12-14 17:46:44,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:44,877 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:46:45,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i[205376,205389] [2021-12-14 17:46:45,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:45,339 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:46:45,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45 WrapperNode [2021-12-14 17:46:45,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:46:45,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:46:45,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:46:45,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:46:45,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:45,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:45,676 INFO L137 Inliner]: procedures = 307, calls = 3868, calls flagged for inlining = 135, calls inlined = 131, statements flattened = 6230 [2021-12-14 17:46:45,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:46:45,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:46:45,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:46:45,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:46:45,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:45,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:45,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:45,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:45,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:45,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:45,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:46,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:46:46,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:46:46,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:46:46,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:46:46,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (1/1) ... [2021-12-14 17:46:46,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:46:46,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:46:46,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 17:46:46,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 17:46:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-14 17:46:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-14 17:46:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_register_led [2021-12-14 17:46:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_register_led [2021-12-14 17:46:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 17:46:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 17:46:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-14 17:46:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-14 17:46:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_add_interface [2021-12-14 17:46:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_add_interface [2021-12-14 17:46:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-14 17:46:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-14 17:46:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:46:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:46:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:46:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:46:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-14 17:46:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-14 17:46:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-14 17:46:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-14 17:46:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-14 17:46:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-14 17:46:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-14 17:46:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-14 17:46:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-14 17:46:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-14 17:46:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2021-12-14 17:46:46,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2021-12-14 17:46:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-12-14 17:46:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-12-14 17:46:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:46:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:46:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2021-12-14 17:46:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2021-12-14 17:46:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-14 17:46:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-14 17:46:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-14 17:46:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-14 17:46:46,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-14 17:46:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-14 17:46:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-14 17:46:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-14 17:46:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_init [2021-12-14 17:46:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_init [2021-12-14 17:46:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:46:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:46:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-14 17:46:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-14 17:46:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:46:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:46:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:46:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:46:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:46:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:46:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-14 17:46:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-14 17:46:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_remove_interface [2021-12-14 17:46:46,117 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_remove_interface [2021-12-14 17:46:46,117 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:46:46,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:46:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-14 17:46:46,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-14 17:46:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:46:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_stop [2021-12-14 17:46:46,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_stop [2021-12-14 17:46:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_set_anaparam [2021-12-14 17:46:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_set_anaparam [2021-12-14 17:46:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:46:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:46:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_configure_filter [2021-12-14 17:46:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_configure_filter [2021-12-14 17:46:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-14 17:46:46,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-14 17:46:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:46:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_poll [2021-12-14 17:46:46,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_poll [2021-12-14 17:46:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-14 17:46:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-14 17:46:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-14 17:46:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:46:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:46:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-12-14 17:46:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-12-14 17:46:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-14 17:46:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-14 17:46:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:46:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:46:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-14 17:46:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-14 17:46:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_config [2021-12-14 17:46:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_config [2021-12-14 17:46:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-14 17:46:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-14 17:46:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 17:46:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 17:46:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:46:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:46:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 17:46:46,124 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 17:46:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-12-14 17:46:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-12-14 17:46:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8_idx [2021-12-14 17:46:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8_idx [2021-12-14 17:46:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:46:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:46:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_is_radio_enabled [2021-12-14 17:46:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_is_radio_enabled [2021-12-14 17:46:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_disconnect [2021-12-14 17:46:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_disconnect [2021-12-14 17:46:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-14 17:46:46,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-14 17:46:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-14 17:46:46,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-14 17:46:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:46:46,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:46:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-14 17:46:46,128 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-14 17:46:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:46:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:46:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:46:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-14 17:46:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-14 17:46:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 17:46:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 17:46:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:46:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:46:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:46:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-14 17:46:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-14 17:46:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:46:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_write_phy [2021-12-14 17:46:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_write_phy [2021-12-14 17:46:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx [2021-12-14 17:46:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx [2021-12-14 17:46:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:46:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:46:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-14 17:46:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-14 17:46:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-14 17:46:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-14 17:46:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 17:46:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 17:46:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_tx [2021-12-14 17:46:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_tx [2021-12-14 17:46:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-14 17:46:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-14 17:46:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:46:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:46:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:46:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-14 17:46:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-14 17:46:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-14 17:46:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-14 17:46:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-14 17:46:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-14 17:46:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:46:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:46:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_unregister_led [2021-12-14 17:46:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_unregister_led [2021-12-14 17:46:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-14 17:46:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_urbs [2021-12-14 17:46:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_urbs [2021-12-14 17:46:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2021-12-14 17:46:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2021-12-14 17:46:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:46:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_bss_info_changed [2021-12-14 17:46:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_bss_info_changed [2021-12-14 17:46:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:46:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 17:46:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 17:46:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-14 17:46:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-14 17:46:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-14 17:46:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-14 17:46:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:46:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:46:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:46:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-12-14 17:46:46,143 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-12-14 17:46:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:46:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:46:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-14 17:46:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-14 17:46:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-14 17:46:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-14 17:46:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-14 17:46:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-14 17:46:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-14 17:46:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-14 17:46:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_get_tsf [2021-12-14 17:46:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_get_tsf [2021-12-14 17:46:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 17:46:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 17:46:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-14 17:46:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-14 17:46:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:46:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:46:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_idx [2021-12-14 17:46:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_idx [2021-12-14 17:46:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-12-14 17:46:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-12-14 17:46:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-14 17:46:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-14 17:46:46,146 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16_idx [2021-12-14 17:46:46,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16_idx [2021-12-14 17:46:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_cmd_reset [2021-12-14 17:46:46,147 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_cmd_reset [2021-12-14 17:46:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-14 17:46:46,147 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-14 17:46:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_prepare_multicast [2021-12-14 17:46:46,147 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_prepare_multicast [2021-12-14 17:46:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:46:46,147 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-14 17:46:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-14 17:46:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-14 17:46:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-14 17:46:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-14 17:46:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-14 17:46:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 17:46:46,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:46:46,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:46:46,149 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-14 17:46:46,149 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-14 17:46:46,942 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:46:46,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:46:47,188 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:46:54,414 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:46:54,437 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:46:54,437 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-14 17:46:54,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:46:54 BoogieIcfgContainer [2021-12-14 17:46:54,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:46:54,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:46:54,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:46:54,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:46:54,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:46:42" (1/3) ... [2021-12-14 17:46:54,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a8b1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:46:54, skipping insertion in model container [2021-12-14 17:46:54,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:45" (2/3) ... [2021-12-14 17:46:54,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a8b1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:46:54, skipping insertion in model container [2021-12-14 17:46:54,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:46:54" (3/3) ... [2021-12-14 17:46:54,447 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtl818x--rtl8187--rtl8187.ko-entry_point.cil.out.i [2021-12-14 17:46:54,451 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:46:54,451 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:46:54,501 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:46:54,506 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 17:46:54,511 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:46:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 2462 states, 1417 states have (on average 1.2731122088920255) internal successors, (1804), 1462 states have internal predecessors, (1804), 942 states have call successors, (942), 102 states have call predecessors, (942), 101 states have return successors, (935), 920 states have call predecessors, (935), 935 states have call successors, (935) [2021-12-14 17:46:54,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-14 17:46:54,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:54,598 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:46:54,598 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:54,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:54,603 INFO L85 PathProgramCache]: Analyzing trace with hash -2068464976, now seen corresponding path program 1 times [2021-12-14 17:46:54,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:46:54,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467010312] [2021-12-14 17:46:54,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:54,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:46:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:46:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:46:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:46:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:46:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:46:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:46:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:46:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:46:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-14 17:46:55,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:46:55,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467010312] [2021-12-14 17:46:55,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467010312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:55,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:55,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:46:55,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286238984] [2021-12-14 17:46:55,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:55,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:46:55,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:46:55,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:46:55,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:46:55,416 INFO L87 Difference]: Start difference. First operand has 2462 states, 1417 states have (on average 1.2731122088920255) internal successors, (1804), 1462 states have internal predecessors, (1804), 942 states have call successors, (942), 102 states have call predecessors, (942), 101 states have return successors, (935), 920 states have call predecessors, (935), 935 states have call successors, (935) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-14 17:46:59,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:04,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:47:10,787 INFO L93 Difference]: Finished difference Result 7739 states and 11802 transitions. [2021-12-14 17:47:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:47:10,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 67 [2021-12-14 17:47:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:47:10,863 INFO L225 Difference]: With dead ends: 7739 [2021-12-14 17:47:10,863 INFO L226 Difference]: Without dead ends: 5260 [2021-12-14 17:47:10,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:47:10,900 INFO L933 BasicCegarLoop]: 4275 mSDtfsCounter, 5630 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 4563 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5941 SdHoareTripleChecker+Valid, 11316 SdHoareTripleChecker+Invalid, 8046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4563 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2021-12-14 17:47:10,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5941 Valid, 11316 Invalid, 8046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4563 Valid, 3481 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2021-12-14 17:47:10,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5260 states. [2021-12-14 17:47:11,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5260 to 4846. [2021-12-14 17:47:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4846 states, 2790 states have (on average 1.264516129032258) internal successors, (3528), 2862 states have internal predecessors, (3528), 1855 states have call successors, (1855), 201 states have call predecessors, (1855), 200 states have return successors, (1854), 1824 states have call predecessors, (1854), 1854 states have call successors, (1854) [2021-12-14 17:47:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7237 transitions. [2021-12-14 17:47:11,350 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7237 transitions. Word has length 67 [2021-12-14 17:47:11,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:47:11,352 INFO L470 AbstractCegarLoop]: Abstraction has 4846 states and 7237 transitions. [2021-12-14 17:47:11,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-14 17:47:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7237 transitions. [2021-12-14 17:47:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-14 17:47:11,361 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:47:11,361 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:47:11,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:47:11,362 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:47:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:47:11,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1286482566, now seen corresponding path program 1 times [2021-12-14 17:47:11,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:47:11,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047274905] [2021-12-14 17:47:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:47:11,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:47:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:47:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:47:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:47:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:47:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:47:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:47:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:47:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:47:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-14 17:47:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-14 17:47:11,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:47:11,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047274905] [2021-12-14 17:47:11,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047274905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:47:11,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:47:11,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 17:47:11,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312812734] [2021-12-14 17:47:11,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:47:11,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 17:47:11,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:47:11,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 17:47:11,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 17:47:11,849 INFO L87 Difference]: Start difference. First operand 4846 states and 7237 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:47:17,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:20,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:28,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:47:28,723 INFO L93 Difference]: Finished difference Result 15313 states and 23131 transitions. [2021-12-14 17:47:28,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 17:47:28,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2021-12-14 17:47:28,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:47:28,832 INFO L225 Difference]: With dead ends: 15313 [2021-12-14 17:47:28,832 INFO L226 Difference]: Without dead ends: 10481 [2021-12-14 17:47:28,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-14 17:47:28,889 INFO L933 BasicCegarLoop]: 4256 mSDtfsCounter, 5664 mSDsluCounter, 14958 mSDsCounter, 0 mSdLazyCounter, 4956 mSolverCounterSat, 4569 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5975 SdHoareTripleChecker+Valid, 19214 SdHoareTripleChecker+Invalid, 9526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4569 IncrementalHoareTripleChecker+Valid, 4956 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-12-14 17:47:28,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5975 Valid, 19214 Invalid, 9526 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4569 Valid, 4956 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2021-12-14 17:47:28,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10481 states. [2021-12-14 17:47:29,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10481 to 9773. [2021-12-14 17:47:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9773 states, 5633 states have (on average 1.2654003195455352) internal successors, (7128), 5781 states have internal predecessors, (7128), 3729 states have call successors, (3729), 401 states have call predecessors, (3729), 410 states have return successors, (3804), 3670 states have call predecessors, (3804), 3728 states have call successors, (3804) [2021-12-14 17:47:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9773 states to 9773 states and 14661 transitions. [2021-12-14 17:47:29,613 INFO L78 Accepts]: Start accepts. Automaton has 9773 states and 14661 transitions. Word has length 77 [2021-12-14 17:47:29,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:47:29,616 INFO L470 AbstractCegarLoop]: Abstraction has 9773 states and 14661 transitions. [2021-12-14 17:47:29,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-14 17:47:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 9773 states and 14661 transitions. [2021-12-14 17:47:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-14 17:47:29,629 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:47:29,629 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:47:29,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:47:29,630 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:47:29,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:47:29,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1702787263, now seen corresponding path program 1 times [2021-12-14 17:47:29,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:47:29,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757005768] [2021-12-14 17:47:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:47:29,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:47:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:47:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:47:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:47:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:47:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:47:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:47:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:47:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:47:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 17:47:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:47:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:47:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:47:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:47:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:47:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-14 17:47:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-14 17:47:30,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:47:30,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757005768] [2021-12-14 17:47:30,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757005768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:47:30,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:47:30,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 17:47:30,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31443455] [2021-12-14 17:47:30,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:47:30,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 17:47:30,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:47:30,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 17:47:30,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-14 17:47:30,220 INFO L87 Difference]: Start difference. First operand 9773 states and 14661 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 17:47:33,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:35,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []