./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 ae007674 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-dev-ae00767 [2021-12-28 03:59:04,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:59:04,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:59:04,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:59:04,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:59:04,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:59:04,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:59:04,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:59:04,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:59:04,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:59:04,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:59:04,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:59:04,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:59:04,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:59:04,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:59:04,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:59:04,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:59:04,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:59:04,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:59:04,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:59:04,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:59:04,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:59:04,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:59:04,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:59:04,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:59:04,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:59:04,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:59:04,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:59:04,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:59:04,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:59:04,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:59:04,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:59:04,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:59:04,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:59:04,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:59:04,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:59:04,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:59:04,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:59:04,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:59:04,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:59:04,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:59:04,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:59:05,021 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:59:05,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:59:05,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:59:05,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:59:05,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:59:05,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:59:05,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:59:05,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:59:05,025 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:59:05,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:59:05,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:59:05,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:59:05,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:59:05,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:59:05,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:59:05,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:59:05,027 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:59:05,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:59:05,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:59:05,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:59:05,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:59:05,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:59:05,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:59:05,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:59:05,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:59:05,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:59:05,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:59:05,035 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:59:05,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:59:05,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:59:05,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 [2021-12-28 03:59:05,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:59:05,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:59:05,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:59:05,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:59:05,379 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:59:05,380 INFO L432 ainManager$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 [2021-12-28 03:59:05,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5be15947/67aa775c6d064b87a09c1c0d16642961/FLAGc808ebedc [2021-12-28 03:59:06,368 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:59:06,368 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 [2021-12-28 03:59:06,421 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5be15947/67aa775c6d064b87a09c1c0d16642961/FLAGc808ebedc [2021-12-28 03:59:06,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5be15947/67aa775c6d064b87a09c1c0d16642961 [2021-12-28 03:59:06,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:59:06,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:59:06,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:59:06,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:59:06,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:59:06,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:59:06" (1/1) ... [2021-12-28 03:59:06,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d47fbf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:06, skipping insertion in model container [2021-12-28 03:59:06,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:59:06" (1/1) ... [2021-12-28 03:59:06,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:59:06,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:59:07,701 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] [2021-12-28 03:59:09,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:59:09,197 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:59:09,333 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] [2021-12-28 03:59:09,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:59:09,787 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:59:09,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09 WrapperNode [2021-12-28 03:59:09,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:59:09,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:59:09,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:59:09,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:59:09,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:09,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,113 INFO L137 Inliner]: procedures = 307, calls = 3868, calls flagged for inlining = 135, calls inlined = 131, statements flattened = 6230 [2021-12-28 03:59:10,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:59:10,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:59:10,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:59:10,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:59:10,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:59:10,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:59:10,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:59:10,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:59:10,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (1/1) ... [2021-12-28 03:59:10,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:59:10,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:59:10,501 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) [2021-12-28 03:59:10,524 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 [2021-12-28 03:59:10,539 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-28 03:59:10,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-28 03:59:10,540 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_register_led [2021-12-28 03:59:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_register_led [2021-12-28 03:59:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 03:59:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 03:59:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-28 03:59:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-28 03:59:10,541 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_add_interface [2021-12-28 03:59:10,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_add_interface [2021-12-28 03:59:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-28 03:59:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-28 03:59:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:59:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:59:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 03:59:10,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 03:59:10,542 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-28 03:59:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-28 03:59:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-28 03:59:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-28 03:59:10,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-28 03:59:10,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-28 03:59:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-28 03:59:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-28 03:59:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-28 03:59:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-28 03:59:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2021-12-28 03:59:10,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2021-12-28 03:59:10,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-12-28 03:59:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-12-28 03:59:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:59:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:59:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2021-12-28 03:59:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2021-12-28 03:59:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-28 03:59:10,545 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-28 03:59:10,545 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-28 03:59:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-28 03:59:10,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-28 03:59:10,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-28 03:59:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-28 03:59:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-28 03:59:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_init [2021-12-28 03:59:10,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_init [2021-12-28 03:59:10,547 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 03:59:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 03:59:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-28 03:59:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-28 03:59:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:59:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:59:10,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:59:10,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:59:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 03:59:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 03:59:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-28 03:59:10,549 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-28 03:59:10,549 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_remove_interface [2021-12-28 03:59:10,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_remove_interface [2021-12-28 03:59:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:59:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:59:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-28 03:59:10,551 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-28 03:59:10,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:59:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_stop [2021-12-28 03:59:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_stop [2021-12-28 03:59:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_set_anaparam [2021-12-28 03:59:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_set_anaparam [2021-12-28 03:59:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 03:59:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 03:59:10,552 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_configure_filter [2021-12-28 03:59:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_configure_filter [2021-12-28 03:59:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-28 03:59:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-28 03:59:10,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:59:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_poll [2021-12-28 03:59:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_poll [2021-12-28 03:59:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-28 03:59:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-28 03:59:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-28 03:59:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 03:59:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 03:59:10,554 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-12-28 03:59:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-12-28 03:59:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-28 03:59:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-28 03:59:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:59:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:59:10,555 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-28 03:59:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-28 03:59:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_config [2021-12-28 03:59:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_config [2021-12-28 03:59:10,556 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-28 03:59:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-28 03:59:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 03:59:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 03:59:10,557 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 03:59:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 03:59:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 03:59:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 03:59:10,558 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-12-28 03:59:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-12-28 03:59:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8_idx [2021-12-28 03:59:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8_idx [2021-12-28 03:59:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 03:59:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 03:59:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_is_radio_enabled [2021-12-28 03:59:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_is_radio_enabled [2021-12-28 03:59:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_disconnect [2021-12-28 03:59:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_disconnect [2021-12-28 03:59:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-28 03:59:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-28 03:59:10,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-28 03:59:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-28 03:59:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 03:59:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 03:59:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-28 03:59:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-28 03:59:10,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 03:59:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 03:59:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 03:59:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-28 03:59:10,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-28 03:59:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 03:59:10,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 03:59:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 03:59:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 03:59:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:59:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-28 03:59:10,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-28 03:59:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:59:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_write_phy [2021-12-28 03:59:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_write_phy [2021-12-28 03:59:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx [2021-12-28 03:59:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx [2021-12-28 03:59:10,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 03:59:10,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 03:59:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-28 03:59:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-28 03:59:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-28 03:59:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-28 03:59:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 03:59:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 03:59:10,574 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_tx [2021-12-28 03:59:10,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_tx [2021-12-28 03:59:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-28 03:59:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-28 03:59:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:59:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:59:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:59:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-28 03:59:10,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-28 03:59:10,575 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-28 03:59:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-28 03:59:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-28 03:59:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-28 03:59:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:59:10,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:59:10,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_unregister_led [2021-12-28 03:59:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_unregister_led [2021-12-28 03:59:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-28 03:59:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_urbs [2021-12-28 03:59:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_urbs [2021-12-28 03:59:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2021-12-28 03:59:10,577 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2021-12-28 03:59:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:59:10,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_bss_info_changed [2021-12-28 03:59:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_bss_info_changed [2021-12-28 03:59:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:59:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 03:59:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 03:59:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-28 03:59:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-28 03:59:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-28 03:59:10,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-28 03:59:10,578 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 03:59:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 03:59:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:59:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-12-28 03:59:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-12-28 03:59:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:59:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 03:59:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-28 03:59:10,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-28 03:59:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-28 03:59:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-28 03:59:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 03:59:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 03:59:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-28 03:59:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-28 03:59:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_get_tsf [2021-12-28 03:59:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_get_tsf [2021-12-28 03:59:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 03:59:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 03:59:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-28 03:59:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-28 03:59:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 03:59:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 03:59:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_idx [2021-12-28 03:59:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_idx [2021-12-28 03:59:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-12-28 03:59:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-12-28 03:59:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-28 03:59:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-28 03:59:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16_idx [2021-12-28 03:59:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16_idx [2021-12-28 03:59:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_cmd_reset [2021-12-28 03:59:10,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_cmd_reset [2021-12-28 03:59:10,582 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-28 03:59:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-28 03:59:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_prepare_multicast [2021-12-28 03:59:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_prepare_multicast [2021-12-28 03:59:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:59:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-28 03:59:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-28 03:59:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-28 03:59:10,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-28 03:59:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-28 03:59:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-28 03:59:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 03:59:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:59:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:59:10,584 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-28 03:59:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-28 03:59:11,444 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:59:11,449 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:59:11,738 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 03:59:19,467 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:59:19,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:59:19,491 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-28 03:59:19,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:59:19 BoogieIcfgContainer [2021-12-28 03:59:19,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:59:19,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:59:19,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:59:19,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:59:19,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:59:06" (1/3) ... [2021-12-28 03:59:19,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6316459c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:59:19, skipping insertion in model container [2021-12-28 03:59:19,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:59:09" (2/3) ... [2021-12-28 03:59:19,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6316459c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:59:19, skipping insertion in model container [2021-12-28 03:59:19,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:59:19" (3/3) ... [2021-12-28 03:59:19,504 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 [2021-12-28 03:59:19,508 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:59:19,508 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:59:19,566 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:59:19,577 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 [2021-12-28 03:59:19,578 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:59:19,650 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) [2021-12-28 03:59:19,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-28 03:59:19,667 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:19,668 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] [2021-12-28 03:59:19,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:19,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:19,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2068464976, now seen corresponding path program 1 times [2021-12-28 03:59:19,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:19,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353991877] [2021-12-28 03:59:19,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:19,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:59:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:59:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:59:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:59:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:59:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 03:59:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:59:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-28 03:59:20,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:20,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353991877] [2021-12-28 03:59:20,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353991877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:20,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:20,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 03:59:20,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824721033] [2021-12-28 03:59:20,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:20,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 03:59:20,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:20,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 03:59:20,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 03:59:20,540 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) [2021-12-28 03:59:24,700 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 [] [2021-12-28 03:59:28,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:29,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:31,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:34,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:40,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:40,805 INFO L93 Difference]: Finished difference Result 7739 states and 11802 transitions. [2021-12-28 03:59:40,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 03:59:40,807 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 [2021-12-28 03:59:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:40,887 INFO L225 Difference]: With dead ends: 7739 [2021-12-28 03:59:40,887 INFO L226 Difference]: Without dead ends: 5260 [2021-12-28 03:59:40,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 03:59:40,933 INFO L933 BasicCegarLoop]: 4278 mSDtfsCounter, 5635 mSDsluCounter, 5925 mSDsCounter, 0 mSdLazyCounter, 4593 mSolverCounterSat, 4561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5944 SdHoareTripleChecker+Valid, 10203 SdHoareTripleChecker+Invalid, 9156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4561 IncrementalHoareTripleChecker+Valid, 4593 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:40,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5944 Valid, 10203 Invalid, 9156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4561 Valid, 4593 Invalid, 2 Unknown, 0 Unchecked, 19.4s Time] [2021-12-28 03:59:40,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5260 states. [2021-12-28 03:59:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5260 to 4846. [2021-12-28 03:59:41,349 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) [2021-12-28 03:59:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7237 transitions. [2021-12-28 03:59:41,429 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7237 transitions. Word has length 67 [2021-12-28 03:59:41,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:59:41,432 INFO L470 AbstractCegarLoop]: Abstraction has 4846 states and 7237 transitions. [2021-12-28 03:59:41,432 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) [2021-12-28 03:59:41,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7237 transitions. [2021-12-28 03:59:41,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-28 03:59:41,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:41,443 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] [2021-12-28 03:59:41,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:59:41,443 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:41,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:41,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1286482566, now seen corresponding path program 1 times [2021-12-28 03:59:41,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:41,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140507090] [2021-12-28 03:59:41,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:41,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:59:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:59:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:59:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:59:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:59:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 03:59:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:59:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:42,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-28 03:59:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-28 03:59:42,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:42,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140507090] [2021-12-28 03:59:42,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140507090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:42,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:42,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 03:59:42,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921807743] [2021-12-28 03:59:42,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:42,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 03:59:42,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:42,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 03:59:42,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 03:59:42,105 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) [2021-12-28 03:59:47,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:49,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:55,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:57,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []