./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-ae00767 [2021-12-28 04:26:23,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:26:23,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:26:23,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:26:23,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:26:23,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:26:23,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:26:23,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:26:23,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:26:23,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:26:23,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:26:23,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:26:23,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:26:23,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:26:23,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:26:23,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:26:23,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:26:23,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:26:23,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:26:23,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:26:23,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:26:23,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:26:23,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:26:23,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:26:23,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:26:23,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:26:23,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:26:23,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:26:23,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:26:23,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:26:23,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:26:23,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:26:23,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:26:23,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:26:23,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:26:23,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:26:23,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:26:23,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:26:23,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:26:23,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:26:23,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:26:23,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:26:23,574 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:26:23,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:26:23,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:26:23,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:26:23,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:26:23,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:26:23,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:26:23,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:26:23,580 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:26:23,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:26:23,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:26:23,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:26:23,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:26:23,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:26:23,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:26:23,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:26:23,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:26:23,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:26:23,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:26:23,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:26:23,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:26:23,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:26:23,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:26:23,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:26:23,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:26:23,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:26:23,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:26:23,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:26:23,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:26:23,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:26:23,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d [2021-12-28 04:26:23,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:26:23,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:26:23,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:26:23,876 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:26:23,877 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:26:23,878 INFO L432 ainManager$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 [2021-12-28 04:26:23,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b9c6ba8/2bc34327563e4a6aa8b0cf692cafe1ee/FLAG4ad234062 [2021-12-28 04:26:24,627 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:26:24,628 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 [2021-12-28 04:26:24,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b9c6ba8/2bc34327563e4a6aa8b0cf692cafe1ee/FLAG4ad234062 [2021-12-28 04:26:24,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b9c6ba8/2bc34327563e4a6aa8b0cf692cafe1ee [2021-12-28 04:26:24,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:26:24,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:26:24,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:26:24,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:26:24,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:26:24,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:26:24" (1/1) ... [2021-12-28 04:26:24,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36aff991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:24, skipping insertion in model container [2021-12-28 04:26:24,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:26:24" (1/1) ... [2021-12-28 04:26:24,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:26:25,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:26:27,795 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] [2021-12-28 04:26:27,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:26:27,852 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:26:28,342 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] [2021-12-28 04:26:28,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:26:28,663 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:26:28,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28 WrapperNode [2021-12-28 04:26:28,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:26:28,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:26:28,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:26:28,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:26:28,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:28,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:28,953 INFO L137 Inliner]: procedures = 490, calls = 4671, calls flagged for inlining = 140, calls inlined = 118, statements flattened = 7284 [2021-12-28 04:26:28,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:26:28,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:26:28,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:26:28,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:26:28,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:28,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:28,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:28,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:29,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:29,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:29,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:29,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:26:29,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:26:29,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:26:29,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:26:29,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (1/1) ... [2021-12-28 04:26:29,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:26:29,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:26:29,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:26:29,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:26:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-28 04:26:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-28 04:26:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_prepare_pkt [2021-12-28 04:26:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_prepare_pkt [2021-12-28 04:26:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:26:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:26:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-28 04:26:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-28 04:26:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_setup [2021-12-28 04:26:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_setup [2021-12-28 04:26:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:26:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:26:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:26:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:26:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure ll_dequeue [2021-12-28 04:26:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_dequeue [2021-12-28 04:26:29,304 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_close [2021-12-28 04:26:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_close [2021-12-28 04:26:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-28 04:26:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-28 04:26:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:26:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:26:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:26:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:26:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_flush [2021-12-28 04:26:29,305 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_flush [2021-12-28 04:26:29,305 INFO L130 BoogieDeclarations]: Found specification of procedure ath_dequeue [2021-12-28 04:26:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_dequeue [2021-12-28 04:26:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-28 04:26:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-28 04:26:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:26:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure h5_link_control [2021-12-28 04:26:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_link_control [2021-12-28 04:26:29,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:26:29,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:26:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:26:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:26:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc___1 [2021-12-28 04:26:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc___1 [2021-12-28 04:26:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-28 04:26:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-28 04:26:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:26:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure h4_enqueue [2021-12-28 04:26:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_enqueue [2021-12-28 04:26:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 04:26:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 04:26:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure ath_hci_uart_work [2021-12-28 04:26:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_hci_uart_work [2021-12-28 04:26:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure btbcm_set_bdaddr [2021-12-28 04:26:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_setup [2021-12-28 04:26:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_setup [2021-12-28 04:26:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:26:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:26:29,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:26:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:26:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure __ll_do_awake [2021-12-28 04:26:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __ll_do_awake [2021-12-28 04:26:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-28 04:26:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-28 04:26:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure h5_peer_reset [2021-12-28 04:26:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_peer_reset [2021-12-28 04:26:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:26:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure h5_enqueue [2021-12-28 04:26:29,311 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_enqueue [2021-12-28 04:26:29,311 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_complete_rx_pkt [2021-12-28 04:26:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_complete_rx_pkt [2021-12-28 04:26:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:26:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:26:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_unregister_proto [2021-12-28 04:26:29,312 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_unregister_proto [2021-12-28 04:26:29,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:26:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:26:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure hci_get_drvdata [2021-12-28 04:26:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_get_drvdata [2021-12-28 04:26:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_close [2021-12-28 04:26:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_close [2021-12-28 04:26:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure btintel_set_bdaddr [2021-12-28 04:26:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-28 04:26:29,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-28 04:26:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_recv [2021-12-28 04:26:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_recv [2021-12-28 04:26:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_register_proto [2021-12-28 04:26:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_register_proto [2021-12-28 04:26:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_recv [2021-12-28 04:26:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_recv [2021-12-28 04:26:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:26:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:26:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_flush [2021-12-28 04:26:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_flush [2021-12-28 04:26:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:26:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-28 04:26:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-28 04:26:29,315 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-12-28 04:26:29,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-12-28 04:26:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:26:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure bscp_get_crc [2021-12-28 04:26:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bscp_get_crc [2021-12-28 04:26:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:26:29,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:26:29,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:26:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:26:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:26:29,317 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-28 04:26:29,317 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-28 04:26:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_init_work [2021-12-28 04:26:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_init_work [2021-12-28 04:26:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure ll_close [2021-12-28 04:26:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_close [2021-12-28 04:26:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:26:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:26:29,318 INFO L130 BoogieDeclarations]: Found specification of procedure hci_register_dev [2021-12-28 04:26:29,318 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_register_dev [2021-12-28 04:26:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure send_hcill_cmd [2021-12-28 04:26:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure send_hcill_cmd [2021-12-28 04:26:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:26:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:26:29,319 INFO L130 BoogieDeclarations]: Found specification of procedure ath_flush [2021-12-28 04:26:29,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_flush [2021-12-28 04:26:29,320 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_msgdelim [2021-12-28 04:26:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_msgdelim [2021-12-28 04:26:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure h4_dequeue [2021-12-28 04:26:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_dequeue [2021-12-28 04:26:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure ath_wakeup_ar3k [2021-12-28 04:26:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_wakeup_ar3k [2021-12-28 04:26:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure h5_prepare_pkt [2021-12-28 04:26:29,323 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_prepare_pkt [2021-12-28 04:26:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-28 04:26:29,324 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-28 04:26:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:26:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:26:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_open [2021-12-28 04:26:29,329 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_open [2021-12-28 04:26:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:26:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:26:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_close [2021-12-28 04:26:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_close [2021-12-28 04:26:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:26:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:26:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure h5_cfg_field [2021-12-28 04:26:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_cfg_field [2021-12-28 04:26:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:26:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:26:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:26:29,330 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:26:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure h5_flush [2021-12-28 04:26:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_flush [2021-12-28 04:26:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-28 04:26:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-28 04:26:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure ll_check_data_len [2021-12-28 04:26:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_check_data_len [2021-12-28 04:26:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-28 04:26:29,331 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-28 04:26:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:26:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:26:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:26:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:26:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_one_byte [2021-12-28 04:26:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_one_byte [2021-12-28 04:26:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-28 04:26:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-28 04:26:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-28 04:26:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-28 04:26:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_set_baudrate [2021-12-28 04:26:29,332 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_set_baudrate [2021-12-28 04:26:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-28 04:26:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-28 04:26:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-28 04:26:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-28 04:26:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ath_open [2021-12-28 04:26:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_open [2021-12-28 04:26:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ath_setup [2021-12-28 04:26:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_setup [2021-12-28 04:26:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:26:29,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:26:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_dequeue [2021-12-28 04:26:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_dequeue [2021-12-28 04:26:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:26:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:26:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure hci_free_dev [2021-12-28 04:26:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_free_dev [2021-12-28 04:26:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2021-12-28 04:26:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2021-12-28 04:26:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:26:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:26:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure h4_open [2021-12-28 04:26:29,334 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_open [2021-12-28 04:26:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 04:26:29,335 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 04:26:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-28 04:26:29,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-28 04:26:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_send_frame [2021-12-28 04:26:29,335 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_send_frame [2021-12-28 04:26:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:26:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure __hci_cmd_sync [2021-12-28 04:26:29,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __hci_cmd_sync [2021-12-28 04:26:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure ath_close [2021-12-28 04:26:29,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_close [2021-12-28 04:26:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_crc_update [2021-12-28 04:26:29,336 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_crc_update [2021-12-28 04:26:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:26:29,336 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:26:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:26:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-28 04:26:29,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-28 04:26:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-28 04:26:29,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-28 04:26:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:26:29,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:26:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure hci_recv_frame [2021-12-28 04:26:29,337 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_recv_frame [2021-12-28 04:26:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:26:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure h4_close [2021-12-28 04:26:29,337 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_close [2021-12-28 04:26:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-12-28 04:26:29,337 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-12-28 04:26:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure h5_reset_rx [2021-12-28 04:26:29,337 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_reset_rx [2021-12-28 04:26:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-28 04:26:29,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-28 04:26:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_termios [2021-12-28 04:26:29,338 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_termios [2021-12-28 04:26:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv [2021-12-28 04:26:29,338 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv [2021-12-28 04:26:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:26:29,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:26:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:26:29,338 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:26:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-12-28 04:26:29,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-12-28 04:26:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure ath_recv [2021-12-28 04:26:29,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_recv [2021-12-28 04:26:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_flush [2021-12-28 04:26:29,339 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_flush [2021-12-28 04:26:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure h5_close [2021-12-28 04:26:29,339 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_close [2021-12-28 04:26:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_dequeue [2021-12-28 04:26:29,339 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_dequeue [2021-12-28 04:26:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:26:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:26:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_one_byte [2021-12-28 04:26:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_one_byte [2021-12-28 04:26:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_open [2021-12-28 04:26:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_open [2021-12-28 04:26:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure h5_dequeue [2021-12-28 04:26:29,340 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_dequeue [2021-12-28 04:26:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_delim [2021-12-28 04:26:29,341 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_delim [2021-12-28 04:26:29,343 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_close [2021-12-28 04:26:29,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_close [2021-12-28 04:26:29,343 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:26:29,343 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:26:29,343 INFO L130 BoogieDeclarations]: Found specification of procedure ath_enqueue [2021-12-28 04:26:29,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_enqueue [2021-12-28 04:26:29,343 INFO L130 BoogieDeclarations]: Found specification of procedure h5_open [2021-12-28 04:26:29,344 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_open [2021-12-28 04:26:29,344 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:26:29,345 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:26:29,345 INFO L130 BoogieDeclarations]: Found specification of procedure ll_enqueue [2021-12-28 04:26:29,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_enqueue [2021-12-28 04:26:29,345 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:26:29,345 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:26:29,345 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv_buf [2021-12-28 04:26:29,345 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv_buf [2021-12-28 04:26:29,345 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:26:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:26:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:26:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-12-28 04:26:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-12-28 04:26:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-28 04:26:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-28 04:26:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:26:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:26:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer [2021-12-28 04:26:29,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer [2021-12-28 04:26:29,346 INFO L130 BoogieDeclarations]: Found specification of procedure h5_recv [2021-12-28 04:26:29,347 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_recv [2021-12-28 04:26:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure ll_open [2021-12-28 04:26:29,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_open [2021-12-28 04:26:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tx_wakeup [2021-12-28 04:26:29,347 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tx_wakeup [2021-12-28 04:26:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:26:29,347 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:26:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:26:29,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:26:29,347 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_set_baudrate [2021-12-28 04:26:29,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_set_baudrate [2021-12-28 04:26:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure ll_flush [2021-12-28 04:26:29,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_flush [2021-12-28 04:26:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_enqueue [2021-12-28 04:26:29,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_enqueue [2021-12-28 04:26:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure h5_complete_rx_pkt [2021-12-28 04:26:29,348 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_complete_rx_pkt [2021-12-28 04:26:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure ll_recv [2021-12-28 04:26:29,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_recv [2021-12-28 04:26:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_write_work [2021-12-28 04:26:29,348 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_write_work [2021-12-28 04:26:29,348 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:26:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:26:29,349 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-28 04:26:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-28 04:26:29,349 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:26:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:26:29,349 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_open [2021-12-28 04:26:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_open [2021-12-28 04:26:29,349 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_enqueue [2021-12-28 04:26:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_enqueue [2021-12-28 04:26:29,349 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:26:29,349 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:26:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:26:29,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:26:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:26:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-28 04:26:29,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-28 04:26:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure h4_flush [2021-12-28 04:26:29,350 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_flush [2021-12-28 04:26:30,099 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:26:30,102 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:26:30,511 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:26:37,963 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:26:37,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:26:37,986 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:26:37,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:26:37 BoogieIcfgContainer [2021-12-28 04:26:37,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:26:37,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:26:37,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:26:37,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:26:37,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:26:24" (1/3) ... [2021-12-28 04:26:37,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774f88e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:26:37, skipping insertion in model container [2021-12-28 04:26:37,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:26:28" (2/3) ... [2021-12-28 04:26:37,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774f88e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:26:37, skipping insertion in model container [2021-12-28 04:26:37,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:26:37" (3/3) ... [2021-12-28 04:26:37,997 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2021-12-28 04:26:38,001 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:26:38,002 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:26:38,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:26:38,051 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:26:38,051 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:26:38,104 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) [2021-12-28 04:26:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-28 04:26:38,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:26:38,117 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] [2021-12-28 04:26:38,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:26:38,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:26:38,121 INFO L85 PathProgramCache]: Analyzing trace with hash 919352225, now seen corresponding path program 1 times [2021-12-28 04:26:38,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:26:38,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868963475] [2021-12-28 04:26:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:26:38,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:26:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-28 04:26:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:26:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 04:26:38,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:26:38,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868963475] [2021-12-28 04:26:38,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868963475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:26:38,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:26:38,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:26:38,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059415836] [2021-12-28 04:26:38,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:26:38,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:26:38,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:26:38,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:26:38,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:26:38,749 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) [2021-12-28 04:26:41,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:45,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:26:45,799 INFO L93 Difference]: Finished difference Result 6003 states and 9011 transitions. [2021-12-28 04:26:45,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:26:45,802 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 [2021-12-28 04:26:45,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:26:45,834 INFO L225 Difference]: With dead ends: 6003 [2021-12-28 04:26:45,835 INFO L226 Difference]: Without dead ends: 3273 [2021-12-28 04:26:45,857 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 [2021-12-28 04:26:45,863 INFO L933 BasicCegarLoop]: 3972 mSDtfsCounter, 4107 mSDsluCounter, 2591 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 1309 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4471 SdHoareTripleChecker+Valid, 6563 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1309 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:26:45,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4471 Valid, 6563 Invalid, 2500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1309 Valid, 1190 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2021-12-28 04:26:45,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2021-12-28 04:26:46,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 2909. [2021-12-28 04:26:46,050 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) [2021-12-28 04:26:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 4161 transitions. [2021-12-28 04:26:46,070 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 4161 transitions. Word has length 57 [2021-12-28 04:26:46,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:26:46,071 INFO L470 AbstractCegarLoop]: Abstraction has 2909 states and 4161 transitions. [2021-12-28 04:26:46,073 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) [2021-12-28 04:26:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 4161 transitions. [2021-12-28 04:26:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-28 04:26:46,086 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:26:46,086 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] [2021-12-28 04:26:46,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:26:46,086 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:26:46,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:26:46,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1907866497, now seen corresponding path program 1 times [2021-12-28 04:26:46,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:26:46,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908347406] [2021-12-28 04:26:46,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:26:46,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:26:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:26:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:26:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:26:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:26:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-28 04:26:46,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:26:46,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908347406] [2021-12-28 04:26:46,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908347406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:26:46,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:26:46,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:26:46,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579903717] [2021-12-28 04:26:46,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:26:46,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:26:46,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:26:46,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:26:46,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:26:46,474 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) [2021-12-28 04:26:51,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:57,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:27:08,869 INFO L93 Difference]: Finished difference Result 6744 states and 9984 transitions. [2021-12-28 04:27:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 04:27:08,870 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 [2021-12-28 04:27:08,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:27:08,891 INFO L225 Difference]: With dead ends: 6744 [2021-12-28 04:27:08,891 INFO L226 Difference]: Without dead ends: 3841 [2021-12-28 04:27:08,902 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 [2021-12-28 04:27:08,903 INFO L933 BasicCegarLoop]: 3572 mSDtfsCounter, 2512 mSDsluCounter, 14239 mSDsCounter, 0 mSdLazyCounter, 12348 mSolverCounterSat, 2201 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 17811 SdHoareTripleChecker+Invalid, 14550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2201 IncrementalHoareTripleChecker+Valid, 12348 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:27:08,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2902 Valid, 17811 Invalid, 14550 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2201 Valid, 12348 Invalid, 1 Unknown, 0 Unchecked, 21.9s Time] [2021-12-28 04:27:08,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3841 states. [2021-12-28 04:27:08,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3841 to 2916. [2021-12-28 04:27:08,989 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) [2021-12-28 04:27:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 4171 transitions. [2021-12-28 04:27:09,003 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 4171 transitions. Word has length 74 [2021-12-28 04:27:09,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:27:09,003 INFO L470 AbstractCegarLoop]: Abstraction has 2916 states and 4171 transitions. [2021-12-28 04:27:09,003 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) [2021-12-28 04:27:09,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 4171 transitions. [2021-12-28 04:27:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-28 04:27:09,014 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:27:09,015 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] [2021-12-28 04:27:09,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:27:09,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:27:09,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:27:09,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1626018516, now seen corresponding path program 1 times [2021-12-28 04:27:09,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:27:09,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492152502] [2021-12-28 04:27:09,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:27:09,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:27:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 04:27:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-28 04:27:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-28 04:27:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-28 04:27:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:09,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:27:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:27:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-28 04:27:09,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:27:09,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492152502] [2021-12-28 04:27:09,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492152502] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:27:09,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:27:09,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:27:09,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808650594] [2021-12-28 04:27:09,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:27:09,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:27:09,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:27:09,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:27:09,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:27:09,322 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) [2021-12-28 04:27:14,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:27:17,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []