./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 ff03de63 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-ff03de6 [2021-12-21 16:13:44,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:13:44,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:13:44,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:13:44,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:13:44,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:13:44,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:13:44,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:13:44,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:13:44,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:13:44,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:13:44,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:13:44,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:13:44,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:13:44,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:13:44,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:13:44,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:13:44,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:13:44,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:13:44,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:13:44,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:13:44,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:13:44,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:13:44,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:13:44,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:13:44,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:13:44,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:13:44,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:13:44,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:13:44,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:13:44,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:13:44,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:13:44,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:13:44,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:13:44,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:13:44,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:13:44,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:13:44,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:13:44,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:13:44,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:13:44,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:13:44,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:13:44,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:13:44,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:13:44,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:13:44,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:13:44,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:13:44,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:13:44,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:13:44,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:13:44,157 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:13:44,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:13:44,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:13:44,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:13:44,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:13:44,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:13:44,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:13:44,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:13:44,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:13:44,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:13:44,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:13:44,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:13:44,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:13:44,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:13:44,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:13:44,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:13:44,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:13:44,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:13:44,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:13:44,161 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:13:44,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:13:44,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:13:44,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:13:44,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2021-12-21 16:13:44,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:13:44,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:13:44,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:13:44,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:13:44,362 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:13:44,363 INFO L432 ainManager$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 [2021-12-21 16:13:44,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b37d4a/2b1ca245d68a4845a6d6e9b6d4d1d5be/FLAG7d3670410 [2021-12-21 16:13:45,056 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:13:45,057 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 [2021-12-21 16:13:45,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b37d4a/2b1ca245d68a4845a6d6e9b6d4d1d5be/FLAG7d3670410 [2021-12-21 16:13:45,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/191b37d4a/2b1ca245d68a4845a6d6e9b6d4d1d5be [2021-12-21 16:13:45,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:13:45,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:13:45,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:13:45,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:13:45,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:13:45,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:13:45" (1/1) ... [2021-12-21 16:13:45,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a664628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:45, skipping insertion in model container [2021-12-21 16:13:45,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:13:45" (1/1) ... [2021-12-21 16:13:45,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:13:45,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:13:46,438 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] [2021-12-21 16:13:47,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:13:47,915 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:13:48,011 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] [2021-12-21 16:13:48,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:13:48,328 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:13:48,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48 WrapperNode [2021-12-21 16:13:48,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:13:48,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:13:48,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:13:48,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:13:48,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:48,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:48,770 INFO L137 Inliner]: procedures = 405, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8515 [2021-12-21 16:13:48,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:13:48,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:13:48,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:13:48,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:13:48,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:48,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:48,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:48,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:48,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:48,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:49,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:49,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:13:49,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:13:49,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:13:49,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:13:49,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (1/1) ... [2021-12-21 16:13:49,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:13:49,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:13:49,090 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) [2021-12-21 16:13:49,108 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 [2021-12-21 16:13:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2021-12-21 16:13:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2021-12-21 16:13:49,124 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2021-12-21 16:13:49,124 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2021-12-21 16:13:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2021-12-21 16:13:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2021-12-21 16:13:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2021-12-21 16:13:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2021-12-21 16:13:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 16:13:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 16:13:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:13:49,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:13:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-21 16:13:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-21 16:13:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 16:13:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 16:13:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2021-12-21 16:13:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2021-12-21 16:13:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2021-12-21 16:13:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2021-12-21 16:13:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2021-12-21 16:13:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2021-12-21 16:13:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2021-12-21 16:13:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2021-12-21 16:13:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:13:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:13:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2021-12-21 16:13:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2021-12-21 16:13:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2021-12-21 16:13:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2021-12-21 16:13:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2021-12-21 16:13:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2021-12-21 16:13:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:13:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:13:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-21 16:13:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2021-12-21 16:13:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2021-12-21 16:13:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2021-12-21 16:13:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2021-12-21 16:13:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2021-12-21 16:13:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2021-12-21 16:13:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2021-12-21 16:13:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2021-12-21 16:13:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-21 16:13:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:13:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:13:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:13:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:13:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:13:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2021-12-21 16:13:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2021-12-21 16:13:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 16:13:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 16:13:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:13:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:13:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:13:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:13:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:13:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-21 16:13:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-21 16:13:49,132 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:13:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:13:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:13:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:13:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:13:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:13:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-21 16:13:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-21 16:13:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:13:49,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:13:49,133 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2021-12-21 16:13:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2021-12-21 16:13:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-21 16:13:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-21 16:13:49,134 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-21 16:13:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-21 16:13:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2021-12-21 16:13:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2021-12-21 16:13:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-21 16:13:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-21 16:13:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-21 16:13:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-12-21 16:13:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-12-21 16:13:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:13:49,135 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-21 16:13:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-21 16:13:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:13:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:13:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:13:49,136 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-21 16:13:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-21 16:13:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2021-12-21 16:13:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2021-12-21 16:13:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:13:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:13:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2021-12-21 16:13:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2021-12-21 16:13:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:13:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:13:49,137 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:13:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:13:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2021-12-21 16:13:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2021-12-21 16:13:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2021-12-21 16:13:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2021-12-21 16:13:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2021-12-21 16:13:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2021-12-21 16:13:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2021-12-21 16:13:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2021-12-21 16:13:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2021-12-21 16:13:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2021-12-21 16:13:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:13:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:13:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:13:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:13:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2021-12-21 16:13:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2021-12-21 16:13:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2021-12-21 16:13:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2021-12-21 16:13:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:13:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:13:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:13:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:13:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2021-12-21 16:13:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2021-12-21 16:13:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 16:13:49,140 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 16:13:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2021-12-21 16:13:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2021-12-21 16:13:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2021-12-21 16:13:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2021-12-21 16:13:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-21 16:13:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-21 16:13:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-21 16:13:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-21 16:13:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:13:49,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:13:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-21 16:13:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-21 16:13:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:13:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:13:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:13:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:13:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-21 16:13:49,142 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-21 16:13:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:13:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:13:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2021-12-21 16:13:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2021-12-21 16:13:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2021-12-21 16:13:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2021-12-21 16:13:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2021-12-21 16:13:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2021-12-21 16:13:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:13:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:13:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:13:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:13:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2021-12-21 16:13:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2021-12-21 16:13:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2021-12-21 16:13:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2021-12-21 16:13:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-21 16:13:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-21 16:13:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2021-12-21 16:13:49,144 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2021-12-21 16:13:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2021-12-21 16:13:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2021-12-21 16:13:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2021-12-21 16:13:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2021-12-21 16:13:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-21 16:13:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-21 16:13:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:13:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-21 16:13:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-21 16:13:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2021-12-21 16:13:49,145 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2021-12-21 16:13:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 16:13:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 16:13:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:13:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:13:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2021-12-21 16:13:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2021-12-21 16:13:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2021-12-21 16:13:49,146 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2021-12-21 16:13:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2021-12-21 16:13:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2021-12-21 16:13:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-21 16:13:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-21 16:13:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2021-12-21 16:13:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2021-12-21 16:13:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:13:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:13:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2021-12-21 16:13:49,147 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2021-12-21 16:13:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2021-12-21 16:13:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2021-12-21 16:13:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 16:13:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 16:13:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2021-12-21 16:13:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2021-12-21 16:13:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-21 16:13:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-21 16:13:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:13:49,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:13:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-21 16:13:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-21 16:13:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2021-12-21 16:13:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2021-12-21 16:13:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:13:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-21 16:13:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-21 16:13:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:13:49,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:13:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2021-12-21 16:13:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2021-12-21 16:13:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2021-12-21 16:13:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2021-12-21 16:13:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2021-12-21 16:13:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2021-12-21 16:13:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2021-12-21 16:13:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2021-12-21 16:13:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2021-12-21 16:13:49,150 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2021-12-21 16:13:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-21 16:13:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-21 16:13:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:13:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:13:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-21 16:13:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-21 16:13:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2021-12-21 16:13:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2021-12-21 16:13:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2021-12-21 16:13:49,151 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2021-12-21 16:13:49,151 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2021-12-21 16:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2021-12-21 16:13:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2021-12-21 16:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2021-12-21 16:13:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2021-12-21 16:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2021-12-21 16:13:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2021-12-21 16:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2021-12-21 16:13:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2021-12-21 16:13:49,152 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2021-12-21 16:13:49,152 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-21 16:13:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-21 16:13:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-12-21 16:13:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-12-21 16:13:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2021-12-21 16:13:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2021-12-21 16:13:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-21 16:13:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-21 16:13:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:13:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-21 16:13:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-21 16:13:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-21 16:13:50,043 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:13:50,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:13:50,507 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:14:07,222 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:14:07,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:14:07,242 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-21 16:14:07,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:14:07 BoogieIcfgContainer [2021-12-21 16:14:07,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:14:07,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:14:07,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:14:07,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:14:07,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:13:45" (1/3) ... [2021-12-21 16:14:07,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1c00a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:14:07, skipping insertion in model container [2021-12-21 16:14:07,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:13:48" (2/3) ... [2021-12-21 16:14:07,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1c00a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:14:07, skipping insertion in model container [2021-12-21 16:14:07,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:14:07" (3/3) ... [2021-12-21 16:14:07,251 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 [2021-12-21 16:14:07,254 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:14:07,254 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:14:07,290 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:14:07,294 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 [2021-12-21 16:14:07,295 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:14:07,334 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) [2021-12-21 16:14:07,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-21 16:14:07,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:14:07,342 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] [2021-12-21 16:14:07,342 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:14:07,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:14:07,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1928602970, now seen corresponding path program 1 times [2021-12-21 16:14:07,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:14:07,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401413485] [2021-12-21 16:14:07,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:14:07,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:14:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:14:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:14:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:14:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:14:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:14:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:14:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:14:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:14:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:14:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:14:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:08,048 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-21 16:14:08,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:14:08,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401413485] [2021-12-21 16:14:08,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401413485] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:14:08,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:14:08,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:14:08,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815403599] [2021-12-21 16:14:08,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:14:08,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:14:08,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:14:08,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:14:08,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:14:08,083 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) [2021-12-21 16:14:11,746 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 [] [2021-12-21 16:14:16,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:18,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:30,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:32,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:34,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:36,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:14:38,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:14:38,440 INFO L93 Difference]: Finished difference Result 8512 states and 13066 transitions. [2021-12-21 16:14:38,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:14:38,442 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 [2021-12-21 16:14:38,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:14:38,510 INFO L225 Difference]: With dead ends: 8512 [2021-12-21 16:14:38,510 INFO L226 Difference]: Without dead ends: 5807 [2021-12-21 16:14:38,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-21 16:14:38,540 INFO L933 BasicCegarLoop]: 4260 mSDtfsCounter, 5990 mSDsluCounter, 6732 mSDsCounter, 0 mSdLazyCounter, 4476 mSolverCounterSat, 3572 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6509 SdHoareTripleChecker+Valid, 10992 SdHoareTripleChecker+Invalid, 8055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3572 IncrementalHoareTripleChecker+Valid, 4476 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-12-21 16:14:38,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6509 Valid, 10992 Invalid, 8055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3572 Valid, 4476 Invalid, 7 Unknown, 0 Unchecked, 29.7s Time] [2021-12-21 16:14:38,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5807 states. [2021-12-21 16:14:38,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5807 to 5285. [2021-12-21 16:14:38,867 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) [2021-12-21 16:14:38,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7640 transitions. [2021-12-21 16:14:38,901 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7640 transitions. Word has length 80 [2021-12-21 16:14:38,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:14:38,903 INFO L470 AbstractCegarLoop]: Abstraction has 5285 states and 7640 transitions. [2021-12-21 16:14:38,903 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) [2021-12-21 16:14:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7640 transitions. [2021-12-21 16:14:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-21 16:14:38,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:14:38,915 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] [2021-12-21 16:14:38,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:14:38,916 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:14:38,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:14:38,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1305003726, now seen corresponding path program 1 times [2021-12-21 16:14:38,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:14:38,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477429297] [2021-12-21 16:14:38,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:14:38,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:14:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:14:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-21 16:14:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:14:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 16:14:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-21 16:14:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 16:14:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 16:14:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-21 16:14:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 16:14:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:14:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 16:14:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:14:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-21 16:14:39,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:14:39,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477429297] [2021-12-21 16:14:39,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477429297] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:14:39,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:14:39,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:14:39,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78499329] [2021-12-21 16:14:39,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:14:39,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:14:39,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:14:39,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:14:39,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:14:39,359 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)