./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:46:02,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:46:02,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:46:02,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:46:02,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:46:02,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:46:02,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:46:02,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:46:02,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:46:02,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:46:02,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:46:02,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:46:02,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:46:02,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:46:02,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:46:02,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:46:02,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:46:02,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:46:02,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:46:02,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:46:02,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:46:02,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:46:02,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:46:02,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:46:02,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:46:02,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:46:02,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:46:02,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:46:02,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:46:02,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:46:02,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:46:02,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:46:02,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:46:02,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:46:02,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:46:02,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:46:02,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:46:02,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:46:02,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:46:02,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:46:02,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:46:02,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:46:02,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:46:02,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:46:02,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:46:02,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:46:02,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:46:02,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:46:02,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:46:02,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:46:02,111 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:46:02,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:46:02,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:46:02,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:46:02,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:46:02,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:46:02,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:46:02,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:46:02,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:46:02,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:46:02,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:46:02,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:46:02,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:46:02,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:46:02,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:46:02,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:46:02,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:46:02,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:46:02,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:46:02,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:46:02,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:46:02,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:46:02,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:46:02,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaaec3cc0f5537133af92fa7cbd54bc8d5ff0f4d0c87a0d3c9d98d3d6549f9cf [2021-12-14 17:46:02,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:46:02,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:46:02,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:46:02,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:46:02,356 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:46:02,357 INFO L432 ainManager$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 [2021-12-14 17:46:02,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a18cd06/af87572d3b5c423d82326fd8f956a017/FLAGe939dede7 [2021-12-14 17:46:02,995 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:46:02,996 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 [2021-12-14 17:46:03,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a18cd06/af87572d3b5c423d82326fd8f956a017/FLAGe939dede7 [2021-12-14 17:46:03,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a18cd06/af87572d3b5c423d82326fd8f956a017 [2021-12-14 17:46:03,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:46:03,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:46:03,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:46:03,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:46:03,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:46:03,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:46:03" (1/1) ... [2021-12-14 17:46:03,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bb8e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:03, skipping insertion in model container [2021-12-14 17:46:03,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:46:03" (1/1) ... [2021-12-14 17:46:03,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:46:03,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:46:04,103 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] [2021-12-14 17:46:05,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:05,593 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:46:05,711 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] [2021-12-14 17:46:06,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:46:06,285 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:46:06,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06 WrapperNode [2021-12-14 17:46:06,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:46:06,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:46:06,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:46:06,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:46:06,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,613 INFO L137 Inliner]: procedures = 405, calls = 4065, calls flagged for inlining = 194, calls inlined = 168, statements flattened = 8515 [2021-12-14 17:46:06,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:46:06,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:46:06,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:46:06,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:46:06,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:46:06,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:46:06,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:46:06,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:46:06,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (1/1) ... [2021-12-14 17:46:06,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:46:06,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:46:06,932 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) [2021-12-14 17:46:06,946 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 [2021-12-14 17:46:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_blks [2021-12-14 17:46:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_blks [2021-12-14 17:46:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_alloc_skb [2021-12-14 17:46:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_alloc_skb [2021-12-14 17:46:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove_interface [2021-12-14 17:46:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove_interface [2021-12-14 17:46:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2021-12-14 17:46:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2021-12-14 17:46:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-14 17:46:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-14 17:46:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:46:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:46:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-14 17:46:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-14 17:46:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 17:46:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 17:46:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_feat_caps [2021-12-14 17:46:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_feat_caps [2021-12-14 17:46:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_probe [2021-12-14 17:46:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_probe [2021-12-14 17:46:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_allocate_ctl_block [2021-12-14 17:46:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_allocate_ctl_block [2021-12-14 17:46:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_plus [2021-12-14 17:46:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_plus [2021-12-14 17:46:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 17:46:06,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 17:46:06,969 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_enable_ch_int [2021-12-14 17:46:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_enable_ch_int [2021-12-14 17:46:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_remove [2021-12-14 17:46:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_remove [2021-12-14 17:46:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_start [2021-12-14 17:46:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_start [2021-12-14 17:46:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:46:06,970 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:46:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 17:46:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_enter_bmps_state [2021-12-14 17:46:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_enter_bmps_state [2021-12-14 17:46:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_ch_free_skbs [2021-12-14 17:46:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_ch_free_skbs [2021-12-14 17:46:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_configure_filter [2021-12-14 17:46:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_configure_filter [2021-12-14 17:46:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_convert_sta_to_v1 [2021-12-14 17:46:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_convert_sta_to_v1 [2021-12-14 17:46:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-14 17:46:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 17:46:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 17:46:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:46:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:46:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:46:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_stop [2021-12-14 17:46:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_stop [2021-12-14 17:46:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 17:46:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 17:46:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 17:46:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 17:46:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 17:46:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 17:46:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:46:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 17:46:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 17:46:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:46:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:46:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:46:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:46:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:46:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:46:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-14 17:46:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-14 17:46:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:46:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:46:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_sta [2021-12-14 17:46:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_sta [2021-12-14 17:46:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_destroy [2021-12-14 17:46:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_destroy [2021-12-14 17:46:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-14 17:46:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-14 17:46:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_link_st [2021-12-14 17:46:06,975 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_link_st [2021-12-14 17:46:06,975 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-14 17:46:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-14 17:46:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-14 17:46:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-12-14 17:46:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u32~0~X~~u32~0~TO~int [2021-12-14 17:46:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:46:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 17:46:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 17:46:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 17:46:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 17:46:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:46:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-14 17:46:07,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-14 17:46:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_config [2021-12-14 17:46:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_config [2021-12-14 17:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_key [2021-12-14 17:46:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_key [2021-12-14 17:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:46:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:46:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_add_interface [2021-12-14 17:46:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_add_interface [2021-12-14 17:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_config_bss [2021-12-14 17:46:07,022 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_config_bss [2021-12-14 17:46:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_mem_pools [2021-12-14 17:46:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_mem_pools [2021-12-14 17:46:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2021-12-14 17:46:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2021-12-14 17:46:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_stop [2021-12-14 17:46:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_stop [2021-12-14 17:46:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:46:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:46:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:46:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:46:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_tx [2021-12-14 17:46:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_tx [2021-12-14 17:46:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure buff_to_be [2021-12-14 17:46:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure buff_to_be [2021-12-14 17:46:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:46:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:46:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:46:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:46:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_power_params [2021-12-14 17:46:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_power_params [2021-12-14 17:46:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 17:46:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 17:46:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sta_add [2021-12-14 17:46:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sta_add [2021-12-14 17:46:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure get_vif_by_addr [2021-12-14 17:46:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure get_vif_by_addr [2021-12-14 17:46:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-14 17:46:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-14 17:46:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-12-14 17:46:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-12-14 17:46:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:46:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:46:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-12-14 17:46:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-12-14 17:46:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:46:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:46:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:46:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:46:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-14 17:46:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-14 17:46:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:46:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:46:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_stakey [2021-12-14 17:46:07,025 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_stakey [2021-12-14 17:46:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure get_sta_index [2021-12-14 17:46:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sta_index [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dump [2021-12-14 17:46:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dump [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:46:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_rsp_status_check [2021-12-14 17:46:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_rsp_status_check [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_delete_bss [2021-12-14 17:46:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_delete_bss [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-14 17:46:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40_minus [2021-12-14 17:46:07,026 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40_minus [2021-12-14 17:46:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_bss_info_changed [2021-12-14 17:46:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_bss_info_changed [2021-12-14 17:46:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_remove [2021-12-14 17:46:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_remove [2021-12-14 17:46:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-14 17:46:07,027 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-14 17:46:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:46:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 17:46:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 17:46:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_fill_skb [2021-12-14 17:46:07,028 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_fill_skb [2021-12-14 17:46:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 17:46:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 17:46:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:46:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:46:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_complete [2021-12-14 17:46:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_complete [2021-12-14 17:46:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure is_cap_supported [2021-12-14 17:46:07,029 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cap_supported [2021-12-14 17:46:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_update_allowed_rates [2021-12-14 17:46:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_update_allowed_rates [2021-12-14 17:46:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 17:46:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 17:46:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_is_fw_version [2021-12-14 17:46:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_is_fw_version [2021-12-14 17:46:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 17:46:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 17:46:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_read_register [2021-12-14 17:46:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_read_register [2021-12-14 17:46:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_pmc_exit_bmps_state [2021-12-14 17:46:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_pmc_exit_bmps_state [2021-12-14 17:46:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-14 17:46:07,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-14 17:46:07,031 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_sw_scan_start [2021-12-14 17:46:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_sw_scan_start [2021-12-14 17:46:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-14 17:46:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-14 17:46:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:46:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:46:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-14 17:46:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-14 17:46:07,032 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_close [2021-12-14 17:46:07,032 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_close [2021-12-14 17:46:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:46:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-14 17:46:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-14 17:46:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:46:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:46:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_resume [2021-12-14 17:46:07,033 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_resume [2021-12-14 17:46:07,033 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_rts_threshold [2021-12-14 17:46:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_rts_threshold [2021-12-14 17:46:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_set_sta_params [2021-12-14 17:46:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_set_sta_params [2021-12-14 17:46:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_ampdu_action [2021-12-14 17:46:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_ampdu_action [2021-12-14 17:46:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_descs [2021-12-14 17:46:07,034 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_descs [2021-12-14 17:46:07,034 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-14 17:46:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-14 17:46:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 17:46:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 17:46:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-14 17:46:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-14 17:46:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_write_register [2021-12-14 17:46:07,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_write_register [2021-12-14 17:46:07,035 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_set_tx_pdu [2021-12-14 17:46:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_set_tx_pdu [2021-12-14 17:46:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_suspend [2021-12-14 17:46:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_suspend [2021-12-14 17:46:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_add_ba_session [2021-12-14 17:46:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_add_ba_session [2021-12-14 17:46:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_smd_send_and_wait [2021-12-14 17:46:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_smd_send_and_wait [2021-12-14 17:46:07,036 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_init_tx_bd [2021-12-14 17:46:07,036 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_init_tx_bd [2021-12-14 17:46:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure wcn36xx_dxe_free_ctl_block [2021-12-14 17:46:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure wcn36xx_dxe_free_ctl_block [2021-12-14 17:46:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-14 17:46:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-14 17:46:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-12-14 17:46:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-12-14 17:46:07,037 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_bool_bmps [2021-12-14 17:46:07,037 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_bool_bmps [2021-12-14 17:46:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-14 17:46:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-14 17:46:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:46:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-12-14 17:46:07,038 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-14 17:46:07,038 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-14 17:46:07,868 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:46:07,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:46:08,342 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:46:31,057 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:46:31,071 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:46:31,072 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-14 17:46:31,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:46:31 BoogieIcfgContainer [2021-12-14 17:46:31,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:46:31,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:46:31,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:46:31,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:46:31,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:46:03" (1/3) ... [2021-12-14 17:46:31,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4357978f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:46:31, skipping insertion in model container [2021-12-14 17:46:31,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:46:06" (2/3) ... [2021-12-14 17:46:31,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4357978f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:46:31, skipping insertion in model container [2021-12-14 17:46:31,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:46:31" (3/3) ... [2021-12-14 17:46:31,081 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 [2021-12-14 17:46:31,085 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:46:31,085 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:46:31,132 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:46:31,144 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 [2021-12-14 17:46:31,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:46:31,198 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) [2021-12-14 17:46:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-14 17:46:31,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:46:31,215 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] [2021-12-14 17:46:31,215 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:46:31,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:46:31,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1928602970, now seen corresponding path program 1 times [2021-12-14 17:46:31,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:46:31,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534027771] [2021-12-14 17:46:31,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:46:31,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:46:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:31,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:46:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:46:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:46:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:46:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:46:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:46:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:31,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:46:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:46:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:46:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:46:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:46:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-14 17:46:32,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:46:32,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534027771] [2021-12-14 17:46:32,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534027771] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:46:32,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:46:32,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:46:32,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018858887] [2021-12-14 17:46:32,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:46:32,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:46:32,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:46:32,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:46:32,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:46:32,081 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) [2021-12-14 17:46:35,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:41,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:43,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:53,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:56,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:46:58,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:47:00,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:47:00,216 INFO L93 Difference]: Finished difference Result 8512 states and 13066 transitions. [2021-12-14 17:47:00,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:47:00,219 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 [2021-12-14 17:47:00,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:47:00,274 INFO L225 Difference]: With dead ends: 8512 [2021-12-14 17:47:00,274 INFO L226 Difference]: Without dead ends: 5807 [2021-12-14 17:47:00,295 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 [2021-12-14 17:47:00,297 INFO L933 BasicCegarLoop]: 4257 mSDtfsCounter, 5989 mSDsluCounter, 6726 mSDsCounter, 0 mSdLazyCounter, 4475 mSolverCounterSat, 3571 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 10983 SdHoareTripleChecker+Invalid, 8049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3571 IncrementalHoareTripleChecker+Valid, 4475 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-12-14 17:47:00,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6507 Valid, 10983 Invalid, 8049 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3571 Valid, 4475 Invalid, 3 Unknown, 0 Unchecked, 27.4s Time] [2021-12-14 17:47:00,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5807 states. [2021-12-14 17:47:00,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5807 to 5285. [2021-12-14 17:47:00,645 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) [2021-12-14 17:47:00,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7640 transitions. [2021-12-14 17:47:00,677 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7640 transitions. Word has length 80 [2021-12-14 17:47:00,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:47:00,678 INFO L470 AbstractCegarLoop]: Abstraction has 5285 states and 7640 transitions. [2021-12-14 17:47:00,679 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) [2021-12-14 17:47:00,679 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7640 transitions. [2021-12-14 17:47:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-14 17:47:00,687 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:47:00,687 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] [2021-12-14 17:47:00,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:47:00,688 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:47:00,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:47:00,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1305003726, now seen corresponding path program 1 times [2021-12-14 17:47:00,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:47:00,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572386313] [2021-12-14 17:47:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:47:00,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:47:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:47:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:47:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 17:47:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:47:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:47:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-14 17:47:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-14 17:47:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-14 17:47:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 17:47:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 17:47:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 17:47:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:47:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-14 17:47:01,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:47:01,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572386313] [2021-12-14 17:47:01,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572386313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:47:01,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:47:01,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:47:01,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720362361] [2021-12-14 17:47:01,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:47:01,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:47:01,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:47:01,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:47:01,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:47:01,103 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)