./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--ath--wcn36xx--wcn36xx.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--ath--wcn36xx--wcn36xx.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 eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:40:16,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:40:16,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:40:16,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:40:16,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:40:16,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:40:16,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:40:16,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:40:16,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:40:16,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:40:16,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:40:16,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:40:16,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:40:16,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:40:16,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:40:16,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:40:16,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:40:16,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:40:16,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:40:16,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:40:16,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:40:16,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:40:16,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:40:16,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:40:16,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:40:16,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:40:16,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:40:16,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:40:16,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:40:16,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:40:16,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:40:16,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:40:16,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:40:16,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:40:16,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:40:16,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:40:16,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:40:16,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:40:16,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:40:16,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:40:16,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:40:16,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:40:16,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:40:16,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:40:16,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:40:16,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:40:16,712 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:40:16,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:40:16,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:40:16,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:40:16,713 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:40:16,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:40:16,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:40:16,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:40:16,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:40:16,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:40:16,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:40:16,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:40:16,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:40:16,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:40:16,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:40:16,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:40:16,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:40:16,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:16,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:40:16,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:40:16,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:40:16,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:40:16,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:40:16,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:40:16,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:40:16,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:40:16,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:40:16,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2021-12-22 14:40:16,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:40:16,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:40:16,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:40:16,915 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:40:16,915 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:40:16,916 INFO L432 ainManager$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--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2021-12-22 14:40:16,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec42b8f5/e067082a7ddd4cf680533a9b3d300a13/FLAG96c64972f [2021-12-22 14:40:17,608 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:40:17,608 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--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2021-12-22 14:40:17,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec42b8f5/e067082a7ddd4cf680533a9b3d300a13/FLAG96c64972f [2021-12-22 14:40:17,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec42b8f5/e067082a7ddd4cf680533a9b3d300a13 [2021-12-22 14:40:17,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:40:17,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:40:17,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:17,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:40:17,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:40:17,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:17" (1/1) ... [2021-12-22 14:40:17,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a88a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:17, skipping insertion in model container [2021-12-22 14:40:17,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:40:17" (1/1) ... [2021-12-22 14:40:18,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:40:18,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:40:18,734 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--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2021-12-22 14:40:20,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:20,179 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:40:20,278 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--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i[210460,210473] [2021-12-22 14:40:20,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:40:20,614 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:40:20,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20 WrapperNode [2021-12-22 14:40:20,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:40:20,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:40:20,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:40:20,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:40:20,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:20,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:20,932 INFO L137 Inliner]: procedures = 405, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8515 [2021-12-22 14:40:20,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:40:20,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:40:20,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:40:20,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:40:20,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:20,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:20,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:20,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:21,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:21,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:21,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:21,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:40:21,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:40:21,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:40:21,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:40:21,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (1/1) ... [2021-12-22 14:40:21,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:40:21,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:40:21,284 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 14:40:21,311 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 14:40:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2021-12-22 14:40:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2021-12-22 14:40:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2021-12-22 14:40:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2021-12-22 14:40:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2021-12-22 14:40:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2021-12-22 14:40:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2021-12-22 14:40:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2021-12-22 14:40:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-22 14:40:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-22 14:40:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:40:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:40:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-22 14:40:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-22 14:40:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 14:40:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 14:40:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2021-12-22 14:40:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2021-12-22 14:40:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2021-12-22 14:40:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2021-12-22 14:40:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2021-12-22 14:40:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2021-12-22 14:40:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2021-12-22 14:40:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2021-12-22 14:40:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:40:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:40:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2021-12-22 14:40:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2021-12-22 14:40:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2021-12-22 14:40:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2021-12-22 14:40:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2021-12-22 14:40:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2021-12-22 14:40:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:40:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:40:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 14:40:21,330 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2021-12-22 14:40:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2021-12-22 14:40:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2021-12-22 14:40:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2021-12-22 14:40:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2021-12-22 14:40:21,331 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2021-12-22 14:40:21,331 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2021-12-22 14:40:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2021-12-22 14:40:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-22 14:40:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 14:40:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 14:40:21,332 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:40:21,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:40:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:40:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2021-12-22 14:40:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2021-12-22 14:40:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 14:40:21,333 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 14:40:21,333 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 14:40:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 14:40:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:40:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:40:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:40:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 14:40:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 14:40:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:40:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:40:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:40:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:40:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:40:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:40:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-22 14:40:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-22 14:40:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:40:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:40:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2021-12-22 14:40:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2021-12-22 14:40:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-22 14:40:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-22 14:40:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-22 14:40:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-22 14:40:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2021-12-22 14:40:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2021-12-22 14:40:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-22 14:40:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-22 14:40:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-12-22 14:40:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 14:40:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 14:40:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-22 14:40:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2021-12-22 14:40:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:40:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2021-12-22 14:40:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2021-12-22 14:40:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:40:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:40:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:40:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:40:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2021-12-22 14:40:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2021-12-22 14:40:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2021-12-22 14:40:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2021-12-22 14:40:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2021-12-22 14:40:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2021-12-22 14:40:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2021-12-22 14:40:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2021-12-22 14:40:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2021-12-22 14:40:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2021-12-22 14:40:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:40:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:40:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:40:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:40:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2021-12-22 14:40:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2021-12-22 14:40:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2021-12-22 14:40:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2021-12-22 14:40:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:40:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:40:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:40:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:40:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2021-12-22 14:40:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2021-12-22 14:40:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 14:40:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 14:40:21,344 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2021-12-22 14:40:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2021-12-22 14:40:21,356 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2021-12-22 14:40:21,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2021-12-22 14:40:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-22 14:40:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-22 14:40:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-22 14:40:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-22 14:40:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:40:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:40:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-22 14:40:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-22 14:40:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:40:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:40:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:40:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:40:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-22 14:40:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-22 14:40:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:40:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:40:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2021-12-22 14:40:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2021-12-22 14:40:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2021-12-22 14:40:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2021-12-22 14:40:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2021-12-22 14:40:21,359 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2021-12-22 14:40:21,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:40:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:40:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:40:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:40:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2021-12-22 14:40:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2021-12-22 14:40:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2021-12-22 14:40:21,360 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2021-12-22 14:40:21,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-22 14:40:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-22 14:40:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2021-12-22 14:40:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2021-12-22 14:40:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2021-12-22 14:40:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2021-12-22 14:40:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2021-12-22 14:40:21,361 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2021-12-22 14:40:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-22 14:40:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-22 14:40:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:40:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 14:40:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 14:40:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2021-12-22 14:40:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2021-12-22 14:40:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 14:40:21,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 14:40:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:40:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:40:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2021-12-22 14:40:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2021-12-22 14:40:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2021-12-22 14:40:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2021-12-22 14:40:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2021-12-22 14:40:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2021-12-22 14:40:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-22 14:40:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-22 14:40:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2021-12-22 14:40:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2021-12-22 14:40:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:40:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:40:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2021-12-22 14:40:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2021-12-22 14:40:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2021-12-22 14:40:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2021-12-22 14:40:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 14:40:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 14:40:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2021-12-22 14:40:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2021-12-22 14:40:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-22 14:40:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-22 14:40:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:40:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:40:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-22 14:40:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-22 14:40:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2021-12-22 14:40:21,366 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2021-12-22 14:40:21,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:40:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-22 14:40:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-22 14:40:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:40:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:40:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2021-12-22 14:40:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2021-12-22 14:40:21,367 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2021-12-22 14:40:21,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2021-12-22 14:40:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2021-12-22 14:40:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2021-12-22 14:40:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2021-12-22 14:40:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2021-12-22 14:40:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2021-12-22 14:40:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2021-12-22 14:40:21,368 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-22 14:40:21,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-22 14:40:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 14:40:21,369 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 14:40:21,369 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-22 14:40:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-22 14:40:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2021-12-22 14:40:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2021-12-22 14:40:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2021-12-22 14:40:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2021-12-22 14:40:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2021-12-22 14:40:21,370 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2021-12-22 14:40:21,370 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2021-12-22 14:40:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2021-12-22 14:40:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2021-12-22 14:40:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2021-12-22 14:40:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2021-12-22 14:40:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2021-12-22 14:40:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2021-12-22 14:40:21,371 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2021-12-22 14:40:21,371 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-22 14:40:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-22 14:40:21,372 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-12-22 14:40:21,372 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-12-22 14:40:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2021-12-22 14:40:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2021-12-22 14:40:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-22 14:40:21,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-22 14:40:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:40:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-22 14:40:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-22 14:40:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-22 14:40:22,317 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:40:22,321 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:40:22,831 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:40:40,888 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:40:40,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:40:40,903 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-22 14:40:40,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:40:40 BoogieIcfgContainer [2021-12-22 14:40:40,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:40:40,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:40:40,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:40:40,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:40:40,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:40:17" (1/3) ... [2021-12-22 14:40:40,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92b3749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:40:40, skipping insertion in model container [2021-12-22 14:40:40,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:40:20" (2/3) ... [2021-12-22 14:40:40,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92b3749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:40:40, skipping insertion in model container [2021-12-22 14:40:40,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:40:40" (3/3) ... [2021-12-22 14:40:40,912 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--wcn36xx--wcn36xx.ko-entry_point.cil.out.i [2021-12-22 14:40:40,915 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:40:40,916 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:40:40,961 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:40:40,973 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 14:40:40,974 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:40:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) [2021-12-22 14:40:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-22 14:40:41,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:40:41,034 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:41,035 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:40:41,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:40:41,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1928602970, now seen corresponding path program 1 times [2021-12-22 14:40:41,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:40:41,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023722901] [2021-12-22 14:40:41,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:40:41,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:40:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:40:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:40:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:40:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:40:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:40:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:40:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:40:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:40:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:40:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:40:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:40:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-22 14:40:41,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:40:41,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023722901] [2021-12-22 14:40:41,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023722901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:40:41,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:40:41,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:40:41,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956577163] [2021-12-22 14:40:41,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:40:41,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:40:41,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:40:41,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:40:41,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:40:41,824 INFO L87 Difference]: Start difference. First operand has 2686 states, 1877 states have (on average 1.3393713372402771) internal successors, (2514), 1902 states have internal predecessors, (2514), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (685), 685 states have call predecessors, (685), 685 states have call successors, (685) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-22 14:40:49,558 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 14:41:01,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:03,466 WARN L534 Checker$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 14:41:05,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:41:07,667 WARN L534 Checker$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 14:41:09,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:41:09,565 INFO L93 Difference]: Finished difference Result 8512 states and 13066 transitions. [2021-12-22 14:41:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:41:09,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80 [2021-12-22 14:41:09,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:41:09,624 INFO L225 Difference]: With dead ends: 8512 [2021-12-22 14:41:09,624 INFO L226 Difference]: Without dead ends: 5807 [2021-12-22 14:41:09,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 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 14:41:09,662 INFO L933 BasicCegarLoop]: 4258 mSDtfsCounter, 5989 mSDsluCounter, 6722 mSDsCounter, 0 mSdLazyCounter, 4479 mSolverCounterSat, 3571 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6506 SdHoareTripleChecker+Valid, 10980 SdHoareTripleChecker+Invalid, 8055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3571 IncrementalHoareTripleChecker+Valid, 4479 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:41:09,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6506 Valid, 10980 Invalid, 8055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3571 Valid, 4479 Invalid, 5 Unknown, 0 Unchecked, 27.1s Time] [2021-12-22 14:41:09,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5807 states. [2021-12-22 14:41:10,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5807 to 5285. [2021-12-22 14:41:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5285 states, 3703 states have (on average 1.3337834188495814) internal successors, (4939), 3737 states have internal predecessors, (4939), 1351 states have call successors, (1351), 231 states have call predecessors, (1351), 230 states have return successors, (1350), 1350 states have call predecessors, (1350), 1350 states have call successors, (1350) [2021-12-22 14:41:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7640 transitions. [2021-12-22 14:41:10,078 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7640 transitions. Word has length 80 [2021-12-22 14:41:10,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:41:10,079 INFO L470 AbstractCegarLoop]: Abstraction has 5285 states and 7640 transitions. [2021-12-22 14:41:10,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-22 14:41:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7640 transitions. [2021-12-22 14:41:10,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-22 14:41:10,086 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:41:10,087 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:10,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:41:10,087 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:41:10,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:41:10,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1305003726, now seen corresponding path program 1 times [2021-12-22 14:41:10,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:41:10,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569519678] [2021-12-22 14:41:10,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:41:10,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:41:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:41:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:41:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:41:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:41:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:41:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:41:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:41:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-22 14:41:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-22 14:41:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:41:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-22 14:41:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:41:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-22 14:41:10,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:41:10,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569519678] [2021-12-22 14:41:10,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569519678] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:41:10,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:41:10,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:41:10,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514305388] [2021-12-22 14:41:10,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:41:10,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:41:10,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:41:10,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:41:10,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:41:10,504 INFO L87 Difference]: Start difference. First operand 5285 states and 7640 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-22 14:41:19,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []