./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--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-ae00767 [2021-12-28 03:58:26,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:58:26,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:58:26,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:58:26,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:58:26,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:58:26,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:58:26,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:58:26,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:58:26,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:58:26,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:58:26,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:58:26,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:58:26,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:58:26,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:58:26,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:58:26,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:58:26,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:58:26,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:58:26,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:58:26,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:58:26,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:58:26,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:58:26,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:58:26,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:58:26,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:58:26,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:58:26,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:58:26,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:58:26,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:58:26,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:58:26,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:58:26,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:58:26,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:58:26,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:58:26,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:58:26,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:58:26,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:58:26,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:58:26,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:58:26,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:58:26,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:58:26,417 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:58:26,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:58:26,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:58:26,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:58:26,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:58:26,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:58:26,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:58:26,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:58:26,421 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:58:26,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:58:26,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:58:26,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:58:26,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:58:26,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:58:26,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:58:26,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:58:26,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:58:26,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:58:26,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:58:26,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:58:26,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:58:26,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:58:26,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:58:26,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:58:26,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:58:26,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:58:26,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:58:26,424 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:58:26,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:58:26,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:58:26,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2021-12-28 03:58:26,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:58:26,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:58:26,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:58:26,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:58:26,715 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:58:26,716 INFO L432 ainManager$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 [2021-12-28 03:58:26,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9472a4c8/c858e50529a04823b1ca4c15a046c58b/FLAG640f530c2 [2021-12-28 03:58:27,507 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:58:27,508 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 [2021-12-28 03:58:27,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9472a4c8/c858e50529a04823b1ca4c15a046c58b/FLAG640f530c2 [2021-12-28 03:58:27,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9472a4c8/c858e50529a04823b1ca4c15a046c58b [2021-12-28 03:58:27,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:58:27,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:58:27,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:58:27,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:58:27,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:58:27,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:58:27" (1/1) ... [2021-12-28 03:58:27,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b04cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:27, skipping insertion in model container [2021-12-28 03:58:27,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:58:27" (1/1) ... [2021-12-28 03:58:27,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:58:27,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:58:28,671 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] [2021-12-28 03:58:30,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:58:30,656 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:58:30,773 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] [2021-12-28 03:58:31,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:58:31,193 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:58:31,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31 WrapperNode [2021-12-28 03:58:31,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:58:31,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:58:31,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:58:31,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:58:31,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,527 INFO L137 Inliner]: procedures = 405, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8515 [2021-12-28 03:58:31,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:58:31,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:58:31,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:58:31,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:58:31,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:58:31,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:58:31,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:58:31,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:58:31,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (1/1) ... [2021-12-28 03:58:31,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:58:31,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:58:31,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 03:58:31,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 03:58:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2021-12-28 03:58:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2021-12-28 03:58:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2021-12-28 03:58:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2021-12-28 03:58:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2021-12-28 03:58:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2021-12-28 03:58:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2021-12-28 03:58:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2021-12-28 03:58:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-28 03:58:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-28 03:58:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:58:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:58:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-28 03:58:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-28 03:58:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 03:58:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 03:58:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2021-12-28 03:58:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2021-12-28 03:58:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2021-12-28 03:58:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2021-12-28 03:58:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2021-12-28 03:58:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2021-12-28 03:58:31,979 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2021-12-28 03:58:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2021-12-28 03:58:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 03:58:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 03:58:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2021-12-28 03:58:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2021-12-28 03:58:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2021-12-28 03:58:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2021-12-28 03:58:31,980 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2021-12-28 03:58:31,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2021-12-28 03:58:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:58:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:58:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 03:58:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2021-12-28 03:58:31,981 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2021-12-28 03:58:31,981 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2021-12-28 03:58:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2021-12-28 03:58:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2021-12-28 03:58:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2021-12-28 03:58:31,982 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2021-12-28 03:58:31,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2021-12-28 03:58:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-28 03:58:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 03:58:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 03:58:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 03:58:31,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 03:58:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:58:31,983 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2021-12-28 03:58:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2021-12-28 03:58:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 03:58:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 03:58:31,984 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 03:58:31,984 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 03:58:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 03:58:31,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 03:58:31,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 03:58:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-28 03:58:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-28 03:58:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 03:58:31,986 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 03:58:31,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:58:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:58:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 03:58:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 03:58:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-28 03:58:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-28 03:58:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 03:58:31,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 03:58:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2021-12-28 03:58:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2021-12-28 03:58:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-28 03:58:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-28 03:58:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-28 03:58:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-28 03:58:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2021-12-28 03:58:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2021-12-28 03:58:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-28 03:58:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-28 03:58:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-28 03:58:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-12-28 03:58:31,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-12-28 03:58:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:58:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 03:58:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 03:58:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 03:58:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 03:58:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:58:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-28 03:58:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-28 03:58:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2021-12-28 03:58:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2021-12-28 03:58:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:58:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 03:58:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2021-12-28 03:58:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2021-12-28 03:58:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 03:58:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 03:58:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 03:58:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 03:58:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2021-12-28 03:58:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2021-12-28 03:58:31,993 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2021-12-28 03:58:31,993 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2021-12-28 03:58:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2021-12-28 03:58:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2021-12-28 03:58:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2021-12-28 03:58:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2021-12-28 03:58:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2021-12-28 03:58:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2021-12-28 03:58:31,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:58:31,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:58:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 03:58:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 03:58:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2021-12-28 03:58:31,995 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2021-12-28 03:58:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2021-12-28 03:58:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2021-12-28 03:58:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:58:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:58:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 03:58:31,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 03:58:31,998 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2021-12-28 03:58:31,999 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2021-12-28 03:58:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 03:58:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 03:58:32,000 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2021-12-28 03:58:32,000 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2021-12-28 03:58:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2021-12-28 03:58:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2021-12-28 03:58:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-28 03:58:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-28 03:58:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-28 03:58:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-28 03:58:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 03:58:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 03:58:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-28 03:58:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-28 03:58:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:58:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:58:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 03:58:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 03:58:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-28 03:58:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-28 03:58:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 03:58:32,006 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 03:58:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2021-12-28 03:58:32,023 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2021-12-28 03:58:32,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2021-12-28 03:58:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2021-12-28 03:58:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2021-12-28 03:58:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2021-12-28 03:58:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:58:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 03:58:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 03:58:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:58:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2021-12-28 03:58:32,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2021-12-28 03:58:32,024 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2021-12-28 03:58:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2021-12-28 03:58:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-28 03:58:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-28 03:58:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2021-12-28 03:58:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2021-12-28 03:58:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2021-12-28 03:58:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2021-12-28 03:58:32,025 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2021-12-28 03:58:32,025 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2021-12-28 03:58:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-28 03:58:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-28 03:58:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:58:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 03:58:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 03:58:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2021-12-28 03:58:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2021-12-28 03:58:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 03:58:32,026 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 03:58:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 03:58:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 03:58:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2021-12-28 03:58:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2021-12-28 03:58:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2021-12-28 03:58:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2021-12-28 03:58:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2021-12-28 03:58:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2021-12-28 03:58:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-28 03:58:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-28 03:58:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2021-12-28 03:58:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2021-12-28 03:58:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 03:58:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 03:58:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2021-12-28 03:58:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2021-12-28 03:58:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2021-12-28 03:58:32,028 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2021-12-28 03:58:32,028 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 03:58:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 03:58:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2021-12-28 03:58:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2021-12-28 03:58:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-28 03:58:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-28 03:58:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:58:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:58:32,029 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-28 03:58:32,029 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-28 03:58:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2021-12-28 03:58:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2021-12-28 03:58:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:58:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-28 03:58:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-28 03:58:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:58:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:58:32,030 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2021-12-28 03:58:32,030 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2021-12-28 03:58:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2021-12-28 03:58:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2021-12-28 03:58:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2021-12-28 03:58:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2021-12-28 03:58:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2021-12-28 03:58:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2021-12-28 03:58:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2021-12-28 03:58:32,031 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2021-12-28 03:58:32,031 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-28 03:58:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-28 03:58:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 03:58:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 03:58:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-28 03:58:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-28 03:58:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2021-12-28 03:58:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2021-12-28 03:58:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2021-12-28 03:58:32,032 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2021-12-28 03:58:32,032 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2021-12-28 03:58:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2021-12-28 03:58:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2021-12-28 03:58:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2021-12-28 03:58:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2021-12-28 03:58:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2021-12-28 03:58:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2021-12-28 03:58:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2021-12-28 03:58:32,033 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2021-12-28 03:58:32,033 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2021-12-28 03:58:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-28 03:58:32,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-28 03:58:32,034 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-12-28 03:58:32,035 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-12-28 03:58:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2021-12-28 03:58:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2021-12-28 03:58:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-28 03:58:32,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-28 03:58:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:58:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-28 03:58:32,037 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-28 03:58:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-28 03:58:32,910 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:58:32,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:58:33,466 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 03:58:51,170 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:58:51,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:58:51,202 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-28 03:58:51,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:58:51 BoogieIcfgContainer [2021-12-28 03:58:51,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:58:51,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:58:51,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:58:51,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:58:51,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:58:27" (1/3) ... [2021-12-28 03:58:51,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f000c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:58:51, skipping insertion in model container [2021-12-28 03:58:51,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:58:31" (2/3) ... [2021-12-28 03:58:51,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f000c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:58:51, skipping insertion in model container [2021-12-28 03:58:51,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:58:51" (3/3) ... [2021-12-28 03:58:51,213 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 [2021-12-28 03:58:51,217 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:58:51,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:58:51,279 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:58:51,292 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 03:58:51,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:58:51,352 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) [2021-12-28 03:58:51,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-28 03:58:51,367 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:58:51,368 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] [2021-12-28 03:58:51,369 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:58:51,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:58:51,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1928602970, now seen corresponding path program 1 times [2021-12-28 03:58:51,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:58:51,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451755520] [2021-12-28 03:58:51,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:58:51,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:58:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:58:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:58:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:58:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:58:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:51,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:58:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:58:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 03:58:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:51,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:58:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:58:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:52,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 03:58:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:58:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-28 03:58:52,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:58:52,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451755520] [2021-12-28 03:58:52,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451755520] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:58:52,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:58:52,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 03:58:52,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25561703] [2021-12-28 03:58:52,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:58:52,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 03:58:52,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:58:52,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 03:58:52,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 03:58:52,050 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) [2021-12-28 03:58:55,421 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 [] [2021-12-28 03:59:00,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:02,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:13,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:15,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:17,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:19,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:21,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:59:21,756 INFO L93 Difference]: Finished difference Result 8512 states and 13066 transitions. [2021-12-28 03:59:21,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 03:59:21,758 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 [2021-12-28 03:59:21,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:59:21,832 INFO L225 Difference]: With dead ends: 8512 [2021-12-28 03:59:21,832 INFO L226 Difference]: Without dead ends: 5807 [2021-12-28 03:59:21,856 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 [2021-12-28 03:59:21,868 INFO L933 BasicCegarLoop]: 4261 mSDtfsCounter, 5989 mSDsluCounter, 6223 mSDsCounter, 0 mSdLazyCounter, 4987 mSolverCounterSat, 3571 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6506 SdHoareTripleChecker+Valid, 10484 SdHoareTripleChecker+Invalid, 8562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3571 IncrementalHoareTripleChecker+Valid, 4987 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:59:21,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6506 Valid, 10484 Invalid, 8562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3571 Valid, 4987 Invalid, 4 Unknown, 0 Unchecked, 29.1s Time] [2021-12-28 03:59:21,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5807 states. [2021-12-28 03:59:22,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5807 to 5285. [2021-12-28 03:59:22,207 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) [2021-12-28 03:59:22,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7640 transitions. [2021-12-28 03:59:22,239 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7640 transitions. Word has length 80 [2021-12-28 03:59:22,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:59:22,240 INFO L470 AbstractCegarLoop]: Abstraction has 5285 states and 7640 transitions. [2021-12-28 03:59:22,240 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) [2021-12-28 03:59:22,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7640 transitions. [2021-12-28 03:59:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-28 03:59:22,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:59:22,246 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] [2021-12-28 03:59:22,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:59:22,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:59:22,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:59:22,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1305003726, now seen corresponding path program 1 times [2021-12-28 03:59:22,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:59:22,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133006760] [2021-12-28 03:59:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:59:22,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:59:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 03:59:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 03:59:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:59:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 03:59:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 03:59:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:59:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 03:59:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-28 03:59:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-28 03:59:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 03:59:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-28 03:59:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:59:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-28 03:59:22,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:59:22,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133006760] [2021-12-28 03:59:22,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133006760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:59:22,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:59:22,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 03:59:22,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408793983] [2021-12-28 03:59:22,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:59:22,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 03:59:22,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:59:22,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 03:59:22,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 03:59:22,636 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) [2021-12-28 03:59:25,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:59:27,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []