./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 e19ca921 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-e19ca92 [2021-12-22 14:40:57,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:40:57,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:40:57,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:40:57,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:40:57,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:40:57,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:40:57,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:40:58,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:40:58,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:40:58,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:40:58,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:40:58,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:40:58,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:40:58,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:40:58,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:40:58,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:40:58,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:40:58,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:40:58,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:40:58,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:40:58,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:40:58,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:40:58,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:40:58,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:40:58,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:40:58,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:40:58,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:40:58,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:40:58,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:40:58,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:40:58,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:40:58,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:40:58,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:40:58,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:40:58,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:40:58,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:40:58,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:40:58,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:40:58,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:40:58,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:40:58,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:40:58,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:40:58,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:40:58,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:40:58,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:40:58,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:40:58,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:40:58,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:40:58,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:40:58,060 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:40:58,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:40:58,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:40:58,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:40:58,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:40:58,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:40:58,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:40:58,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:40:58,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:40:58,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:40:58,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:40:58,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:40:58,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:40:58,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:58,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:40:58,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:40:58,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:40:58,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:40:58,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:40:58,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:40:58,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:40:58,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:40:58,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:40:58,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81d244572c9a77eee348ee40397ea85f2dfad22a6619aa4d31ee137ff878aa4 [2021-12-22 14:40:58,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:40:58,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:40:58,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:40:58,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:40:58,255 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:40:58,256 INFO L432 ainManager$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 [2021-12-22 14:40:58,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f57ddf27/4d78f64efbf04e2392199a465c45b17a/FLAG18db58215 [2021-12-22 14:40:58,999 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:40:58,999 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 [2021-12-22 14:40:59,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f57ddf27/4d78f64efbf04e2392199a465c45b17a/FLAG18db58215 [2021-12-22 14:40:59,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f57ddf27/4d78f64efbf04e2392199a465c45b17a [2021-12-22 14:40:59,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:40:59,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:40:59,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:59,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:40:59,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:40:59,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:59" (1/1) ... [2021-12-22 14:40:59,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4db0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:59, skipping insertion in model container [2021-12-22 14:40:59,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:59" (1/1) ... [2021-12-22 14:40:59,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:40:59,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:40:59,926 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] [2021-12-22 14:41:00,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:41:01,000 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:41:01,101 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] [2021-12-22 14:41:01,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:41:01,369 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:41:01,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01 WrapperNode [2021-12-22 14:41:01,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:41:01,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:41:01,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:41:01,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:41:01,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,624 INFO L137 Inliner]: procedures = 307, calls = 3868, calls flagged for inlining = 135, calls inlined = 131, statements flattened = 6230 [2021-12-22 14:41:01,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:41:01,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:41:01,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:41:01,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:41:01,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:41:01,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:41:01,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:41:01,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:41:01,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (1/1) ... [2021-12-22 14:41:01,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:41:01,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:41:01,972 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) [2021-12-22 14:41:01,990 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 [2021-12-22 14:41:02,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-22 14:41:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-22 14:41:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_register_led [2021-12-22 14:41:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_register_led [2021-12-22 14:41:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:41:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:41:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-22 14:41:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-22 14:41:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_add_interface [2021-12-22 14:41:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_add_interface [2021-12-22 14:41:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-22 14:41:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-22 14:41:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:41:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:41:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:41:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:41:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-22 14:41:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-22 14:41:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-22 14:41:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-22 14:41:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-22 14:41:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-22 14:41:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-22 14:41:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-22 14:41:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-22 14:41:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-22 14:41:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_1 [2021-12-22 14:41:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_1 [2021-12-22 14:41:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2021-12-22 14:41:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2021-12-22 14:41:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:41:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:41:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2021-12-22 14:41:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2021-12-22 14:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-22 14:41:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-22 14:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-22 14:41:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-22 14:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-22 14:41:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-22 14:41:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-22 14:41:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-22 14:41:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_b_rf_init [2021-12-22 14:41:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_b_rf_init [2021-12-22 14:41:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:41:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:41:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-22 14:41:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-22 14:41:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:41:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:41:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:41:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:41:02,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:41:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:41:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-22 14:41:02,013 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-22 14:41:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_remove_interface [2021-12-22 14:41:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_remove_interface [2021-12-22 14:41:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:41:02,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:41:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-22 14:41:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-22 14:41:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:41:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_stop [2021-12-22 14:41:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_stop [2021-12-22 14:41:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_set_anaparam [2021-12-22 14:41:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_set_anaparam [2021-12-22 14:41:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:41:02,015 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:41:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_configure_filter [2021-12-22 14:41:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_configure_filter [2021-12-22 14:41:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-22 14:41:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-22 14:41:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:41:02,016 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_rfkill_poll [2021-12-22 14:41:02,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_rfkill_poll [2021-12-22 14:41:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-22 14:41:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-22 14:41:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-22 14:41:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:41:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:41:02,017 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-12-22 14:41:02,017 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-12-22 14:41:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-22 14:41:02,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-22 14:41:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:41:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:41:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-22 14:41:02,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-22 14:41:02,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_config [2021-12-22 14:41:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_config [2021-12-22 14:41:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-22 14:41:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-22 14:41:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 14:41:02,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 14:41:02,019 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:41:02,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:41:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 14:41:02,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 14:41:02,020 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-12-22 14:41:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-12-22 14:41:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8_idx [2021-12-22 14:41:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8_idx [2021-12-22 14:41:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:41:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:41:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_is_radio_enabled [2021-12-22 14:41:02,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_is_radio_enabled [2021-12-22 14:41:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_disconnect [2021-12-22 14:41:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_disconnect [2021-12-22 14:41:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-22 14:41:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-22 14:41:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-22 14:41:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-22 14:41:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 14:41:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 14:41:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-22 14:41:02,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-22 14:41:02,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:41:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:41:02,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:41:02,025 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-22 14:41:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-22 14:41:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 14:41:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 14:41:02,027 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:41:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:41:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:41:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-22 14:41:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-22 14:41:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:41:02,032 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_write_phy [2021-12-22 14:41:02,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_write_phy [2021-12-22 14:41:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_tx [2021-12-22 14:41:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_tx [2021-12-22 14:41:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:41:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:41:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-22 14:41:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-22 14:41:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-22 14:41:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-22 14:41:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:41:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:41:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_conf_tx [2021-12-22 14:41:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_conf_tx [2021-12-22 14:41:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-22 14:41:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-22 14:41:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:41:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:41:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:41:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-22 14:41:02,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-22 14:41:02,034 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-22 14:41:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-22 14:41:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-22 14:41:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-22 14:41:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:41:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:41:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_unregister_led [2021-12-22 14:41:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_unregister_led [2021-12-22 14:41:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-22 14:41:02,035 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_init_urbs [2021-12-22 14:41:02,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_init_urbs [2021-12-22 14:41:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2021-12-22 14:41:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2021-12-22 14:41:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:41:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_bss_info_changed [2021-12-22 14:41:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_bss_info_changed [2021-12-22 14:41:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:41:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 14:41:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 14:41:02,036 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-22 14:41:02,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-22 14:41:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-22 14:41:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-22 14:41:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:41:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:41:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:41:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_RXCB [2021-12-22 14:41:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_RXCB [2021-12-22 14:41:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:41:02,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:41:02,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 14:41:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 14:41:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-22 14:41:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-22 14:41:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-22 14:41:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-22 14:41:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-22 14:41:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-22 14:41:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_get_tsf [2021-12-22 14:41:02,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_get_tsf [2021-12-22 14:41:02,038 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-22 14:41:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-22 14:41:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-22 14:41:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-22 14:41:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 14:41:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 14:41:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32_idx [2021-12-22 14:41:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32_idx [2021-12-22 14:41:02,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-12-22 14:41:02,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-12-22 14:41:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-22 14:41:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-22 14:41:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16_idx [2021-12-22 14:41:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16_idx [2021-12-22 14:41:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_cmd_reset [2021-12-22 14:41:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_cmd_reset [2021-12-22 14:41:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-22 14:41:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-22 14:41:02,040 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187_prepare_multicast [2021-12-22 14:41:02,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187_prepare_multicast [2021-12-22 14:41:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:41:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-22 14:41:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-22 14:41:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-22 14:41:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-22 14:41:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-22 14:41:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-22 14:41:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 14:41:02,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:41:02,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:41:02,042 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-22 14:41:02,042 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-22 14:41:02,651 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:41:02,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:41:02,798 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:41:09,420 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:41:09,441 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:41:09,441 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-22 14:41:09,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:41:09 BoogieIcfgContainer [2021-12-22 14:41:09,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:41:09,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:41:09,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:41:09,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:41:09,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:40:59" (1/3) ... [2021-12-22 14:41:09,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17dfdef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:41:09, skipping insertion in model container [2021-12-22 14:41:09,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:41:01" (2/3) ... [2021-12-22 14:41:09,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17dfdef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:41:09, skipping insertion in model container [2021-12-22 14:41:09,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:41:09" (3/3) ... [2021-12-22 14:41:09,451 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 [2021-12-22 14:41:09,454 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:41:09,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:41:09,557 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:41:09,566 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 [2021-12-22 14:41:09,570 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:41:09,623 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) [2021-12-22 14:41:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-22 14:41:09,636 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:09,637 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] [2021-12-22 14:41:09,637 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:09,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:09,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2068464976, now seen corresponding path program 1 times [2021-12-22 14:41:09,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:09,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090700639] [2021-12-22 14:41:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:09,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:41:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:41:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:41:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:41:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:41:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:41:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:41:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-22 14:41:10,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:10,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090700639] [2021-12-22 14:41:10,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090700639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:10,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:10,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:41:10,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182610245] [2021-12-22 14:41:10,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:10,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:41:10,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:10,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:41:10,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:41:10,368 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) [2021-12-22 14:41:13,915 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 [] [2021-12-22 14:41:15,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:21,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:23,685 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 [] [2021-12-22 14:41:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:29,311 INFO L93 Difference]: Finished difference Result 7739 states and 11802 transitions. [2021-12-22 14:41:29,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:41:29,313 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 [2021-12-22 14:41:29,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:29,375 INFO L225 Difference]: With dead ends: 7739 [2021-12-22 14:41:29,376 INFO L226 Difference]: Without dead ends: 5260 [2021-12-22 14:41:29,402 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 [2021-12-22 14:41:29,405 INFO L933 BasicCegarLoop]: 4283 mSDtfsCounter, 5633 mSDsluCounter, 7040 mSDsCounter, 0 mSdLazyCounter, 3487 mSolverCounterSat, 4557 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5941 SdHoareTripleChecker+Valid, 11323 SdHoareTripleChecker+Invalid, 8047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4557 IncrementalHoareTripleChecker+Valid, 3487 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:29,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5941 Valid, 11323 Invalid, 8047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4557 Valid, 3487 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2021-12-22 14:41:29,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5260 states. [2021-12-22 14:41:29,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5260 to 4846. [2021-12-22 14:41:29,748 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) [2021-12-22 14:41:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4846 states and 7237 transitions. [2021-12-22 14:41:29,797 INFO L78 Accepts]: Start accepts. Automaton has 4846 states and 7237 transitions. Word has length 67 [2021-12-22 14:41:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:41:29,798 INFO L470 AbstractCegarLoop]: Abstraction has 4846 states and 7237 transitions. [2021-12-22 14:41:29,799 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) [2021-12-22 14:41:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 7237 transitions. [2021-12-22 14:41:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-22 14:41:29,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:29,805 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] [2021-12-22 14:41:29,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:41:29,806 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:29,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:29,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1286482566, now seen corresponding path program 1 times [2021-12-22 14:41:29,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:29,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222543492] [2021-12-22 14:41:29,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:29,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:41:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:41:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:41:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:41:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:41:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:41:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:41:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 14:41:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:30,239 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-22 14:41:30,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:30,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222543492] [2021-12-22 14:41:30,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222543492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:30,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:30,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:41:30,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377308422] [2021-12-22 14:41:30,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:30,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:41:30,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:30,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:41:30,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:41:30,242 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) [2021-12-22 14:41:34,979 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 [] [2021-12-22 14:41:37,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:41,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:42,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:48,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:48,541 INFO L93 Difference]: Finished difference Result 15313 states and 23131 transitions. [2021-12-22 14:41:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:41:48,542 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 [2021-12-22 14:41:48,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:48,634 INFO L225 Difference]: With dead ends: 15313 [2021-12-22 14:41:48,635 INFO L226 Difference]: Without dead ends: 10481 [2021-12-22 14:41:48,685 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 [2021-12-22 14:41:48,686 INFO L933 BasicCegarLoop]: 4250 mSDtfsCounter, 5654 mSDsluCounter, 14945 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 4570 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5964 SdHoareTripleChecker+Valid, 19195 SdHoareTripleChecker+Invalid, 9533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4570 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:48,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5964 Valid, 19195 Invalid, 9533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4570 Valid, 4961 Invalid, 2 Unknown, 0 Unchecked, 17.7s Time] [2021-12-22 14:41:48,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10481 states. [2021-12-22 14:41:49,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10481 to 9773. [2021-12-22 14:41:49,363 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) [2021-12-22 14:41:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9773 states to 9773 states and 14661 transitions. [2021-12-22 14:41:49,422 INFO L78 Accepts]: Start accepts. Automaton has 9773 states and 14661 transitions. Word has length 77 [2021-12-22 14:41:49,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:41:49,424 INFO L470 AbstractCegarLoop]: Abstraction has 9773 states and 14661 transitions. [2021-12-22 14:41:49,424 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) [2021-12-22 14:41:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 9773 states and 14661 transitions. [2021-12-22 14:41:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-22 14:41:49,434 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:49,435 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] [2021-12-22 14:41:49,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:41:49,435 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:49,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:49,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1702787263, now seen corresponding path program 1 times [2021-12-22 14:41:49,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:49,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115515185] [2021-12-22 14:41:49,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:49,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:41:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:41:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:41:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:41:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:41:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:41:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:41:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:41:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:41:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:41:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:41:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-22 14:41:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-22 14:41:49,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:49,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115515185] [2021-12-22 14:41:49,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115515185] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:49,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:49,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 14:41:49,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236946538] [2021-12-22 14:41:49,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:49,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:41:49,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:49,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:41:49,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:41:49,899 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) [2021-12-22 14:41:52,846 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 [] [2021-12-22 14:41:54,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:59,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:42:02,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []