./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.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 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:08:18,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:08:18,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:08:18,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:08:18,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:08:18,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:08:18,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:08:18,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:08:18,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:08:18,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:08:18,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:08:18,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:08:18,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:08:18,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:08:18,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:08:18,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:08:18,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:08:18,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:08:18,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:08:18,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:08:18,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:08:18,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:08:18,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:08:18,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:08:18,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:08:18,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:08:18,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:08:18,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:08:18,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:08:18,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:08:18,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:08:18,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:08:18,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:08:18,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:08:18,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:08:18,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:08:18,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:08:18,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:08:18,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:08:18,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:08:18,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:08:18,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:08:18,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:08:18,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:08:18,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:08:18,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:08:18,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:08:18,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:08:18,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:08:18,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:08:18,368 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:08:18,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:08:18,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:08:18,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:08:18,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:08:18,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:08:18,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:08:18,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:08:18,369 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:08:18,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:08:18,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:08:18,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:08:18,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:08:18,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:08:18,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:08:18,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:08:18,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:08:18,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:08:18,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:08:18,371 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:08:18,371 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:08:18,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:08:18,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:08:18,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d [2021-12-22 15:08:18,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:08:18,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:08:18,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:08:18,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:08:18,578 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:08:18,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2021-12-22 15:08:18,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84bfe0a63/bea11b3b796e47db86620800a0532127/FLAGae9c57933 [2021-12-22 15:08:19,367 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:08:19,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2021-12-22 15:08:19,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84bfe0a63/bea11b3b796e47db86620800a0532127/FLAGae9c57933 [2021-12-22 15:08:19,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84bfe0a63/bea11b3b796e47db86620800a0532127 [2021-12-22 15:08:19,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:08:19,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:08:19,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:08:19,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:08:19,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:08:19,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:08:19" (1/1) ... [2021-12-22 15:08:19,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f910a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:19, skipping insertion in model container [2021-12-22 15:08:19,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:08:19" (1/1) ... [2021-12-22 15:08:19,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:08:19,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:08:22,493 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i[448815,448828] [2021-12-22 15:08:22,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:08:22,555 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:08:22,983 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i[448815,448828] [2021-12-22 15:08:22,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:08:23,205 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:08:23,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23 WrapperNode [2021-12-22 15:08:23,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:08:23,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:08:23,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:08:23,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:08:23,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,522 INFO L137 Inliner]: procedures = 490, calls = 4671, calls flagged for inlining = 140, calls inlined = 118, statements flattened = 7284 [2021-12-22 15:08:23,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:08:23,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:08:23,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:08:23,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:08:23,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:08:23,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:08:23,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:08:23,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:08:23,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (1/1) ... [2021-12-22 15:08:23,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:08:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:08:23,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:08:23,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:08:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-22 15:08:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-22 15:08:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_prepare_pkt [2021-12-22 15:08:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_prepare_pkt [2021-12-22 15:08:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:08:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:08:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-22 15:08:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-22 15:08:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_setup [2021-12-22 15:08:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_setup [2021-12-22 15:08:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:08:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:08:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:08:23,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:08:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ll_dequeue [2021-12-22 15:08:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_dequeue [2021-12-22 15:08:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_close [2021-12-22 15:08:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_close [2021-12-22 15:08:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-22 15:08:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-22 15:08:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:08:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:08:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:08:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:08:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_flush [2021-12-22 15:08:23,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_flush [2021-12-22 15:08:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure ath_dequeue [2021-12-22 15:08:23,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_dequeue [2021-12-22 15:08:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-22 15:08:23,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-22 15:08:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 15:08:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure h5_link_control [2021-12-22 15:08:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_link_control [2021-12-22 15:08:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:08:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:08:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:08:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:08:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc___1 [2021-12-22 15:08:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc___1 [2021-12-22 15:08:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-22 15:08:23,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-22 15:08:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:08:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure h4_enqueue [2021-12-22 15:08:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_enqueue [2021-12-22 15:08:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 15:08:23,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 15:08:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure ath_hci_uart_work [2021-12-22 15:08:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_hci_uart_work [2021-12-22 15:08:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure btbcm_set_bdaddr [2021-12-22 15:08:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_setup [2021-12-22 15:08:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_setup [2021-12-22 15:08:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:08:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:08:23,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:08:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:08:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure __ll_do_awake [2021-12-22 15:08:23,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __ll_do_awake [2021-12-22 15:08:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-22 15:08:23,851 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-22 15:08:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure h5_peer_reset [2021-12-22 15:08:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_peer_reset [2021-12-22 15:08:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:08:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure h5_enqueue [2021-12-22 15:08:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_enqueue [2021-12-22 15:08:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_complete_rx_pkt [2021-12-22 15:08:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_complete_rx_pkt [2021-12-22 15:08:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:08:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:08:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_unregister_proto [2021-12-22 15:08:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_unregister_proto [2021-12-22 15:08:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:08:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:08:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure hci_get_drvdata [2021-12-22 15:08:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_get_drvdata [2021-12-22 15:08:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_close [2021-12-22 15:08:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_close [2021-12-22 15:08:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure btintel_set_bdaddr [2021-12-22 15:08:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-22 15:08:23,854 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-22 15:08:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_recv [2021-12-22 15:08:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_recv [2021-12-22 15:08:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_register_proto [2021-12-22 15:08:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_register_proto [2021-12-22 15:08:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_recv [2021-12-22 15:08:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_recv [2021-12-22 15:08:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:08:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:08:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_flush [2021-12-22 15:08:23,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_flush [2021-12-22 15:08:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:08:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-22 15:08:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-22 15:08:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-22 15:08:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-22 15:08:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:08:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure bscp_get_crc [2021-12-22 15:08:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bscp_get_crc [2021-12-22 15:08:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:08:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:08:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:08:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:08:23,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:08:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-22 15:08:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-22 15:08:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_init_work [2021-12-22 15:08:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_init_work [2021-12-22 15:08:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ll_close [2021-12-22 15:08:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_close [2021-12-22 15:08:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:08:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:08:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure hci_register_dev [2021-12-22 15:08:23,859 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_register_dev [2021-12-22 15:08:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure send_hcill_cmd [2021-12-22 15:08:23,860 INFO L138 BoogieDeclarations]: Found implementation of procedure send_hcill_cmd [2021-12-22 15:08:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:08:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:08:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure ath_flush [2021-12-22 15:08:23,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_flush [2021-12-22 15:08:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_msgdelim [2021-12-22 15:08:23,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_msgdelim [2021-12-22 15:08:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure h4_dequeue [2021-12-22 15:08:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_dequeue [2021-12-22 15:08:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure ath_wakeup_ar3k [2021-12-22 15:08:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_wakeup_ar3k [2021-12-22 15:08:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure h5_prepare_pkt [2021-12-22 15:08:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_prepare_pkt [2021-12-22 15:08:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-22 15:08:23,866 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-22 15:08:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:08:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:08:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_open [2021-12-22 15:08:23,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_open [2021-12-22 15:08:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:08:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:08:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_close [2021-12-22 15:08:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_close [2021-12-22 15:08:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:08:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:08:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure h5_cfg_field [2021-12-22 15:08:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_cfg_field [2021-12-22 15:08:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:08:23,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:08:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:08:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:08:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure h5_flush [2021-12-22 15:08:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_flush [2021-12-22 15:08:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 15:08:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 15:08:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ll_check_data_len [2021-12-22 15:08:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_check_data_len [2021-12-22 15:08:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-22 15:08:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-22 15:08:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:08:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:08:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:08:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:08:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_one_byte [2021-12-22 15:08:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_one_byte [2021-12-22 15:08:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-22 15:08:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-22 15:08:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-22 15:08:23,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-22 15:08:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_set_baudrate [2021-12-22 15:08:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_set_baudrate [2021-12-22 15:08:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-22 15:08:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-22 15:08:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-22 15:08:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-22 15:08:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ath_open [2021-12-22 15:08:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_open [2021-12-22 15:08:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ath_setup [2021-12-22 15:08:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_setup [2021-12-22 15:08:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:08:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:08:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_dequeue [2021-12-22 15:08:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_dequeue [2021-12-22 15:08:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:08:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:08:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure hci_free_dev [2021-12-22 15:08:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_free_dev [2021-12-22 15:08:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2021-12-22 15:08:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2021-12-22 15:08:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:08:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:08:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure h4_open [2021-12-22 15:08:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_open [2021-12-22 15:08:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 15:08:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 15:08:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-22 15:08:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-22 15:08:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_send_frame [2021-12-22 15:08:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_send_frame [2021-12-22 15:08:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:08:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure __hci_cmd_sync [2021-12-22 15:08:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __hci_cmd_sync [2021-12-22 15:08:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure ath_close [2021-12-22 15:08:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_close [2021-12-22 15:08:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_crc_update [2021-12-22 15:08:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_crc_update [2021-12-22 15:08:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:08:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:08:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:08:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:08:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:08:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-22 15:08:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-22 15:08:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:08:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:08:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure hci_recv_frame [2021-12-22 15:08:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_recv_frame [2021-12-22 15:08:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:08:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure h4_close [2021-12-22 15:08:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_close [2021-12-22 15:08:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-22 15:08:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-22 15:08:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure h5_reset_rx [2021-12-22 15:08:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_reset_rx [2021-12-22 15:08:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-22 15:08:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-22 15:08:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_termios [2021-12-22 15:08:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_termios [2021-12-22 15:08:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv [2021-12-22 15:08:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv [2021-12-22 15:08:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:08:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:08:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 15:08:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 15:08:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-22 15:08:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-22 15:08:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure ath_recv [2021-12-22 15:08:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_recv [2021-12-22 15:08:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_flush [2021-12-22 15:08:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_flush [2021-12-22 15:08:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure h5_close [2021-12-22 15:08:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_close [2021-12-22 15:08:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_dequeue [2021-12-22 15:08:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_dequeue [2021-12-22 15:08:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:08:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_one_byte [2021-12-22 15:08:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_one_byte [2021-12-22 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_open [2021-12-22 15:08:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_open [2021-12-22 15:08:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure h5_dequeue [2021-12-22 15:08:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_dequeue [2021-12-22 15:08:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_delim [2021-12-22 15:08:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_delim [2021-12-22 15:08:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_close [2021-12-22 15:08:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_close [2021-12-22 15:08:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:08:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:08:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure ath_enqueue [2021-12-22 15:08:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_enqueue [2021-12-22 15:08:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure h5_open [2021-12-22 15:08:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_open [2021-12-22 15:08:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:08:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:08:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure ll_enqueue [2021-12-22 15:08:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_enqueue [2021-12-22 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:08:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv_buf [2021-12-22 15:08:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv_buf [2021-12-22 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:08:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-22 15:08:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-22 15:08:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-22 15:08:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-22 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:08:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer [2021-12-22 15:08:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer [2021-12-22 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure h5_recv [2021-12-22 15:08:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_recv [2021-12-22 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ll_open [2021-12-22 15:08:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_open [2021-12-22 15:08:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tx_wakeup [2021-12-22 15:08:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tx_wakeup [2021-12-22 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:08:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:08:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_set_baudrate [2021-12-22 15:08:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_set_baudrate [2021-12-22 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure ll_flush [2021-12-22 15:08:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_flush [2021-12-22 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_enqueue [2021-12-22 15:08:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_enqueue [2021-12-22 15:08:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure h5_complete_rx_pkt [2021-12-22 15:08:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_complete_rx_pkt [2021-12-22 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure ll_recv [2021-12-22 15:08:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_recv [2021-12-22 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_write_work [2021-12-22 15:08:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_write_work [2021-12-22 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 15:08:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-22 15:08:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-22 15:08:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:08:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_open [2021-12-22 15:08:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_open [2021-12-22 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_enqueue [2021-12-22 15:08:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_enqueue [2021-12-22 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:08:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:08:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:08:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-22 15:08:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-22 15:08:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure h4_flush [2021-12-22 15:08:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_flush [2021-12-22 15:08:24,612 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:08:24,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:08:25,089 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:08:32,340 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:08:32,364 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:08:32,365 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:08:32,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:08:32 BoogieIcfgContainer [2021-12-22 15:08:32,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:08:32,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:08:32,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:08:32,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:08:32,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:08:19" (1/3) ... [2021-12-22 15:08:32,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4035d366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:08:32, skipping insertion in model container [2021-12-22 15:08:32,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:08:23" (2/3) ... [2021-12-22 15:08:32,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4035d366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:08:32, skipping insertion in model container [2021-12-22 15:08:32,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:08:32" (3/3) ... [2021-12-22 15:08:32,373 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2021-12-22 15:08:32,377 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:08:32,377 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:08:32,422 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:08:32,431 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:08:32,432 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:08:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 2694 states, 1836 states have (on average 1.3600217864923747) internal successors, (2497), 1890 states have internal predecessors, (2497), 709 states have call successors, (709), 148 states have call predecessors, (709), 147 states have return successors, (699), 686 states have call predecessors, (699), 699 states have call successors, (699) [2021-12-22 15:08:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-22 15:08:32,494 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:08:32,495 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:08:32,495 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:08:32,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:08:32,533 INFO L85 PathProgramCache]: Analyzing trace with hash 919352225, now seen corresponding path program 1 times [2021-12-22 15:08:32,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:08:32,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639269925] [2021-12-22 15:08:32,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:08:32,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:08:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:33,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 15:08:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:08:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 15:08:33,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:08:33,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639269925] [2021-12-22 15:08:33,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639269925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:08:33,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:08:33,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:08:33,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643263620] [2021-12-22 15:08:33,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:08:33,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:08:33,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:08:33,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:08:33,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:08:33,175 INFO L87 Difference]: Start difference. First operand has 2694 states, 1836 states have (on average 1.3600217864923747) internal successors, (2497), 1890 states have internal predecessors, (2497), 709 states have call successors, (709), 148 states have call predecessors, (709), 147 states have return successors, (699), 686 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-22 15:08:36,155 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 [] [2021-12-22 15:08:40,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:08:40,264 INFO L93 Difference]: Finished difference Result 6003 states and 9011 transitions. [2021-12-22 15:08:40,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:08:40,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2021-12-22 15:08:40,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:08:40,300 INFO L225 Difference]: With dead ends: 6003 [2021-12-22 15:08:40,301 INFO L226 Difference]: Without dead ends: 3273 [2021-12-22 15:08:40,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:08:40,325 INFO L933 BasicCegarLoop]: 3956 mSDtfsCounter, 4107 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 1310 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4479 SdHoareTripleChecker+Valid, 6607 SdHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1310 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:08:40,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4479 Valid, 6607 Invalid, 2423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1310 Valid, 1112 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2021-12-22 15:08:40,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2021-12-22 15:08:40,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 2909. [2021-12-22 15:08:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 1991 states have (on average 1.3470617780010046) internal successors, (2682), 2033 states have internal predecessors, (2682), 740 states have call successors, (740), 178 states have call predecessors, (740), 177 states have return successors, (739), 726 states have call predecessors, (739), 739 states have call successors, (739) [2021-12-22 15:08:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 4161 transitions. [2021-12-22 15:08:40,517 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 4161 transitions. Word has length 57 [2021-12-22 15:08:40,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:08:40,518 INFO L470 AbstractCegarLoop]: Abstraction has 2909 states and 4161 transitions. [2021-12-22 15:08:40,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-22 15:08:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 4161 transitions. [2021-12-22 15:08:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-22 15:08:40,531 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:08:40,532 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:08:40,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:08:40,532 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:08:40,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:08:40,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1907866497, now seen corresponding path program 1 times [2021-12-22 15:08:40,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:08:40,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935964255] [2021-12-22 15:08:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:08:40,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:08:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 15:08:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 15:08:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:08:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 15:08:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:40,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:08:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:08:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-22 15:08:40,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:08:40,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935964255] [2021-12-22 15:08:40,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935964255] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:08:40,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:08:40,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:08:40,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004100919] [2021-12-22 15:08:40,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:08:40,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:08:40,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:08:40,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:08:40,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:08:40,869 INFO L87 Difference]: Start difference. First operand 2909 states and 4161 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-22 15:08:45,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:47,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:49,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:51,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:53,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:55,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:08:57,187 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 [] [2021-12-22 15:09:10,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:09:10,739 INFO L93 Difference]: Finished difference Result 6744 states and 9984 transitions. [2021-12-22 15:09:10,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-22 15:09:10,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) Word has length 74 [2021-12-22 15:09:10,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:09:10,764 INFO L225 Difference]: With dead ends: 6744 [2021-12-22 15:09:10,765 INFO L226 Difference]: Without dead ends: 3841 [2021-12-22 15:09:10,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-12-22 15:09:10,777 INFO L933 BasicCegarLoop]: 3579 mSDtfsCounter, 2516 mSDsluCounter, 17145 mSDsCounter, 0 mSdLazyCounter, 9469 mSolverCounterSat, 2203 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 20724 SdHoareTripleChecker+Invalid, 11678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2203 IncrementalHoareTripleChecker+Valid, 9469 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:09:10,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2907 Valid, 20724 Invalid, 11678 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2203 Valid, 9469 Invalid, 6 Unknown, 0 Unchecked, 29.4s Time] [2021-12-22 15:09:10,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3841 states. [2021-12-22 15:09:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3841 to 2916. [2021-12-22 15:09:10,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 1996 states have (on average 1.3461923847695392) internal successors, (2687), 2038 states have internal predecessors, (2687), 740 states have call successors, (740), 178 states have call predecessors, (740), 179 states have return successors, (744), 728 states have call predecessors, (744), 739 states have call successors, (744) [2021-12-22 15:09:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 4171 transitions. [2021-12-22 15:09:10,891 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 4171 transitions. Word has length 74 [2021-12-22 15:09:10,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:09:10,891 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 4171 transitions. [2021-12-22 15:09:10,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-22 15:09:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 4171 transitions. [2021-12-22 15:09:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-22 15:09:10,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:09:10,901 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:09:10,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:09:10,901 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:09:10,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:09:10,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1626018516, now seen corresponding path program 1 times [2021-12-22 15:09:10,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:09:10,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306930860] [2021-12-22 15:09:10,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:09:10,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:09:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 15:09:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-22 15:09:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 15:09:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 15:09:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:09:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:09:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-22 15:09:11,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:09:11,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306930860] [2021-12-22 15:09:11,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306930860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:09:11,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:09:11,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:09:11,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326256909] [2021-12-22 15:09:11,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:09:11,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:09:11,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:09:11,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:09:11,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:09:11,227 INFO L87 Difference]: Start difference. First operand 2916 states and 4171 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (6), 3 states have call predecessors, (6), 1 states have call successors, (6) [2021-12-22 15:09:15,628 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 []