./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:06,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:06,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:47:06,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:06,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:06,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:06,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:06,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:06,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:06,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:06,715 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:06,716 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:06,716 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:06,717 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:06,717 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:06,718 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:06,718 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:06,719 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:06,720 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:06,720 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:06,721 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:06,722 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:06,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:06,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:06,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:06,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:06,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:06,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:06,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:06,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:06,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:06,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:06,728 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:06,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:06,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:06,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:06,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:06,731 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:06,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:06,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:06,732 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:06,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:06,733 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d [2023-11-12 00:47:07,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:07,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:07,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:07,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:07,031 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:07,032 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 00:47:10,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:11,023 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:11,024 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/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 [2023-11-12 00:47:11,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/data/3822dda6f/6f235491d0c447d587bc3d7934e3f462/FLAG19afd75da [2023-11-12 00:47:11,123 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/data/3822dda6f/6f235491d0c447d587bc3d7934e3f462 [2023-11-12 00:47:11,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:11,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:11,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:11,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:11,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:11,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:11" (1/1) ... [2023-11-12 00:47:11,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c313530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:11, skipping insertion in model container [2023-11-12 00:47:11,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:11" (1/1) ... [2023-11-12 00:47:11,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:15,617 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/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] [2023-11-12 00:47:15,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:15,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:15,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6500] [2023-11-12 00:47:15,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6507] [2023-11-12 00:47:15,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6515-6516] [2023-11-12 00:47:15,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [6524-6525] [2023-11-12 00:47:16,508 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/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] [2023-11-12 00:47:16,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:16,823 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:47:16,832 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:16,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16 WrapperNode [2023-11-12 00:47:16,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:16,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:16,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:16,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:16,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:16,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,280 INFO L138 Inliner]: procedures = 490, calls = 4997, calls flagged for inlining = 140, calls inlined = 118, statements flattened = 7659 [2023-11-12 00:47:17,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:17,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:17,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:17,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:17,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:17,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:17,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:17,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:17,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (1/1) ... [2023-11-12 00:47:17,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:17,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:17,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:17,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a85a46c-89f4-4d36-a8e5-36a2856c510d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-12 00:47:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-12 00:47:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_prepare_pkt [2023-11-12 00:47:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_prepare_pkt [2023-11-12 00:47:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:47:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:47:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-12 00:47:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-12 00:47:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_setup [2023-11-12 00:47:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_setup [2023-11-12 00:47:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 00:47:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 00:47:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:47:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:47:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure ll_dequeue [2023-11-12 00:47:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_dequeue [2023-11-12 00:47:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_close [2023-11-12 00:47:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_close [2023-11-12 00:47:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-12 00:47:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-12 00:47:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:47:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:47:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:47:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:47:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_flush [2023-11-12 00:47:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_flush [2023-11-12 00:47:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ath_dequeue [2023-11-12 00:47:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_dequeue [2023-11-12 00:47:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-12 00:47:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-12 00:47:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 00:47:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure h5_link_control [2023-11-12 00:47:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_link_control [2023-11-12 00:47:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:47:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:47:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:47:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:47:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc___1 [2023-11-12 00:47:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc___1 [2023-11-12 00:47:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-12 00:47:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-12 00:47:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:47:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure h4_enqueue [2023-11-12 00:47:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_enqueue [2023-11-12 00:47:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:47:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:47:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure ath_hci_uart_work [2023-11-12 00:47:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_hci_uart_work [2023-11-12 00:47:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure btbcm_set_bdaddr [2023-11-12 00:47:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_setup [2023-11-12 00:47:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_setup [2023-11-12 00:47:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:47:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:47:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:47:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:47:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure __ll_do_awake [2023-11-12 00:47:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __ll_do_awake [2023-11-12 00:47:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-12 00:47:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-12 00:47:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure h5_peer_reset [2023-11-12 00:47:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_peer_reset [2023-11-12 00:47:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:47:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure h5_enqueue [2023-11-12 00:47:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_enqueue [2023-11-12 00:47:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_complete_rx_pkt [2023-11-12 00:47:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_complete_rx_pkt [2023-11-12 00:47:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:47:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:47:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_unregister_proto [2023-11-12 00:47:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_unregister_proto [2023-11-12 00:47:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:47:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:47:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure hci_get_drvdata [2023-11-12 00:47:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_get_drvdata [2023-11-12 00:47:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_close [2023-11-12 00:47:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_close [2023-11-12 00:47:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure btintel_set_bdaddr [2023-11-12 00:47:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-12 00:47:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-12 00:47:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_recv [2023-11-12 00:47:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_recv [2023-11-12 00:47:17,929 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_register_proto [2023-11-12 00:47:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_register_proto [2023-11-12 00:47:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_recv [2023-11-12 00:47:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_recv [2023-11-12 00:47:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:47:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:47:17,930 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_flush [2023-11-12 00:47:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_flush [2023-11-12 00:47:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:47:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-12 00:47:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-12 00:47:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-12 00:47:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-12 00:47:17,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure bscp_get_crc [2023-11-12 00:47:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bscp_get_crc [2023-11-12 00:47:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:47:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:47:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:47:17,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:47:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:47:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-12 00:47:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-12 00:47:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_init_work [2023-11-12 00:47:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_init_work [2023-11-12 00:47:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure ll_close [2023-11-12 00:47:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_close [2023-11-12 00:47:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:47:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:47:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure hci_register_dev [2023-11-12 00:47:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_register_dev [2023-11-12 00:47:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure send_hcill_cmd [2023-11-12 00:47:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure send_hcill_cmd [2023-11-12 00:47:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:47:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:47:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure ath_flush [2023-11-12 00:47:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_flush [2023-11-12 00:47:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_msgdelim [2023-11-12 00:47:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_msgdelim [2023-11-12 00:47:17,935 INFO L130 BoogieDeclarations]: Found specification of procedure h4_dequeue [2023-11-12 00:47:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_dequeue [2023-11-12 00:47:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure ath_wakeup_ar3k [2023-11-12 00:47:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_wakeup_ar3k [2023-11-12 00:47:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure h5_prepare_pkt [2023-11-12 00:47:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_prepare_pkt [2023-11-12 00:47:17,936 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-12 00:47:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-12 00:47:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:47:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:47:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_open [2023-11-12 00:47:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_open [2023-11-12 00:47:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:47:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:47:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_close [2023-11-12 00:47:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_close [2023-11-12 00:47:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:47:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:47:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure h5_cfg_field [2023-11-12 00:47:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_cfg_field [2023-11-12 00:47:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:47:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:47:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure h5_flush [2023-11-12 00:47:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_flush [2023-11-12 00:47:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:47:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 00:47:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure ll_check_data_len [2023-11-12 00:47:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_check_data_len [2023-11-12 00:47:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-12 00:47:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-12 00:47:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:47:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:47:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:47:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:47:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_one_byte [2023-11-12 00:47:17,941 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_one_byte [2023-11-12 00:47:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-12 00:47:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-12 00:47:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-11-12 00:47:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-11-12 00:47:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_set_baudrate [2023-11-12 00:47:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_set_baudrate [2023-11-12 00:47:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure bt_err [2023-11-12 00:47:17,942 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_err [2023-11-12 00:47:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2023-11-12 00:47:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2023-11-12 00:47:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2023-11-12 00:47:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2023-11-12 00:47:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ath_open [2023-11-12 00:47:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_open [2023-11-12 00:47:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ath_setup [2023-11-12 00:47:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_setup [2023-11-12 00:47:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:47:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:47:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_dequeue [2023-11-12 00:47:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_dequeue [2023-11-12 00:47:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:47:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:47:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure hci_free_dev [2023-11-12 00:47:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_free_dev [2023-11-12 00:47:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2023-11-12 00:47:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2023-11-12 00:47:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:47:17,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:47:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure h4_open [2023-11-12 00:47:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_open [2023-11-12 00:47:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 00:47:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 00:47:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:47:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:47:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_send_frame [2023-11-12 00:47:17,946 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_send_frame [2023-11-12 00:47:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:47:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure __hci_cmd_sync [2023-11-12 00:47:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __hci_cmd_sync [2023-11-12 00:47:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ath_close [2023-11-12 00:47:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_close [2023-11-12 00:47:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_crc_update [2023-11-12 00:47:17,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_crc_update [2023-11-12 00:47:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:47:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:47:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:47:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 00:47:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-12 00:47:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-12 00:47:17,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-12 00:47:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 00:47:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 00:47:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure hci_recv_frame [2023-11-12 00:47:17,949 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_recv_frame [2023-11-12 00:47:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:47:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure h4_close [2023-11-12 00:47:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_close [2023-11-12 00:47:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2023-11-12 00:47:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2023-11-12 00:47:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure h5_reset_rx [2023-11-12 00:47:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_reset_rx [2023-11-12 00:47:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-12 00:47:17,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-12 00:47:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_termios [2023-11-12 00:47:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_termios [2023-11-12 00:47:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv [2023-11-12 00:47:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv [2023-11-12 00:47:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:47:17,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:47:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-12 00:47:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-12 00:47:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-12 00:47:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-12 00:47:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure ath_recv [2023-11-12 00:47:17,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_recv [2023-11-12 00:47:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_flush [2023-11-12 00:47:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_flush [2023-11-12 00:47:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure h5_close [2023-11-12 00:47:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_close [2023-11-12 00:47:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_dequeue [2023-11-12 00:47:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_dequeue [2023-11-12 00:47:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:47:17,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:47:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_one_byte [2023-11-12 00:47:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_one_byte [2023-11-12 00:47:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_open [2023-11-12 00:47:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_open [2023-11-12 00:47:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure h5_dequeue [2023-11-12 00:47:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_dequeue [2023-11-12 00:47:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_delim [2023-11-12 00:47:17,954 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_delim [2023-11-12 00:47:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_close [2023-11-12 00:47:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_close [2023-11-12 00:47:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:47:17,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure ath_enqueue [2023-11-12 00:47:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_enqueue [2023-11-12 00:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure h5_open [2023-11-12 00:47:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_open [2023-11-12 00:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:47:17,956 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:47:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure ll_enqueue [2023-11-12 00:47:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_enqueue [2023-11-12 00:47:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:47:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:47:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv_buf [2023-11-12 00:47:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv_buf [2023-11-12 00:47:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:47:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:47:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:47:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-12 00:47:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-12 00:47:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-12 00:47:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-12 00:47:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 00:47:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 00:47:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:47:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:47:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer [2023-11-12 00:47:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer [2023-11-12 00:47:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure h5_recv [2023-11-12 00:47:17,959 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_recv [2023-11-12 00:47:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure ll_open [2023-11-12 00:47:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_open [2023-11-12 00:47:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tx_wakeup [2023-11-12 00:47:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tx_wakeup [2023-11-12 00:47:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:47:17,960 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:47:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:47:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:47:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_set_baudrate [2023-11-12 00:47:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_set_baudrate [2023-11-12 00:47:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ll_flush [2023-11-12 00:47:17,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_flush [2023-11-12 00:47:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_enqueue [2023-11-12 00:47:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_enqueue [2023-11-12 00:47:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure h5_complete_rx_pkt [2023-11-12 00:47:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_complete_rx_pkt [2023-11-12 00:47:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure ll_recv [2023-11-12 00:47:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_recv [2023-11-12 00:47:17,962 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_write_work [2023-11-12 00:47:17,962 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_write_work [2023-11-12 00:47:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:47:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:47:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-12 00:47:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-12 00:47:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-12 00:47:17,963 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-12 00:47:17,963 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_open [2023-11-12 00:47:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_open [2023-11-12 00:47:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_enqueue [2023-11-12 00:47:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_enqueue [2023-11-12 00:47:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-12 00:47:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-12 00:47:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:47:17,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:47:17,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-12 00:47:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-12 00:47:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure bt_info [2023-11-12 00:47:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_info [2023-11-12 00:47:17,965 INFO L130 BoogieDeclarations]: Found specification of procedure h4_flush [2023-11-12 00:47:17,965 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_flush [2023-11-12 00:47:19,031 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:19,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:19,788 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:47:33,843 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:36,727 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:36,727 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:47:36,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:36 BoogieIcfgContainer [2023-11-12 00:47:36,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:36,740 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:36,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:36,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:36,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:11" (1/3) ... [2023-11-12 00:47:36,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33aa48d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:36, skipping insertion in model container [2023-11-12 00:47:36,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:16" (2/3) ... [2023-11-12 00:47:36,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33aa48d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:36, skipping insertion in model container [2023-11-12 00:47:36,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:36" (3/3) ... [2023-11-12 00:47:36,749 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2023-11-12 00:47:36,771 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:36,771 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:36,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:36,921 INFO L357 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a1caf46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:36,922 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 2537 states, 1547 states have (on average 1.3703943115707822) internal successors, (2120), 1663 states have internal predecessors, (2120), 838 states have call successors, (838), 151 states have call predecessors, (838), 150 states have return successors, (828), 813 states have call predecessors, (828), 828 states have call successors, (828) [2023-11-12 00:47:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-12 00:47:36,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:36,996 INFO L195 NwaCegarLoop]: 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] [2023-11-12 00:47:36,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:37,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:37,002 INFO L85 PathProgramCache]: Analyzing trace with hash 33442566, now seen corresponding path program 1 times [2023-11-12 00:47:37,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:37,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57396592] [2023-11-12 00:47:37,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:37,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:39,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:39,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57396592] [2023-11-12 00:47:39,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57396592] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:39,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:39,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:47:39,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183715669] [2023-11-12 00:47:39,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:39,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:47:39,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:39,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:47:39,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:47:39,344 INFO L87 Difference]: Start difference. First operand has 2537 states, 1547 states have (on average 1.3703943115707822) internal successors, (2120), 1663 states have internal predecessors, (2120), 838 states have call successors, (838), 151 states have call predecessors, (838), 150 states have return successors, (828), 813 states have call predecessors, (828), 828 states have call successors, (828) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:47:42,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:44,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:48,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:50,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:52,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:53,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:55,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:55,078 INFO L93 Difference]: Finished difference Result 5286 states and 7955 transitions. [2023-11-12 00:47:55,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:47:55,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (9), 3 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 45 [2023-11-12 00:47:55,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:55,156 INFO L225 Difference]: With dead ends: 5286 [2023-11-12 00:47:55,156 INFO L226 Difference]: Without dead ends: 2720 [2023-11-12 00:47:55,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:47:55,203 INFO L413 NwaCegarLoop]: 3657 mSDtfsCounter, 3456 mSDsluCounter, 4156 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3456 SdHoareTripleChecker+Valid, 7813 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:55,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3456 Valid, 7813 Invalid, 597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 592 Invalid, 4 Unknown, 0 Unchecked, 15.3s Time] [2023-11-12 00:47:55,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2023-11-12 00:47:55,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2720. [2023-11-12 00:47:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 1666 states have (on average 1.3541416566626652) internal successors, (2256), 1769 states have internal predecessors, (2256), 871 states have call successors, (871), 183 states have call predecessors, (871), 182 states have return successors, (870), 855 states have call predecessors, (870), 870 states have call successors, (870) [2023-11-12 00:47:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 3997 transitions. [2023-11-12 00:47:55,635 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 3997 transitions. Word has length 45 [2023-11-12 00:47:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:55,638 INFO L495 AbstractCegarLoop]: Abstraction has 2720 states and 3997 transitions. [2023-11-12 00:47:55,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 00:47:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 3997 transitions. [2023-11-12 00:47:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-12 00:47:55,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:55,666 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 00:47:55,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:47:55,667 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:55,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:55,670 INFO L85 PathProgramCache]: Analyzing trace with hash -769000059, now seen corresponding path program 1 times [2023-11-12 00:47:55,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:55,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51794866] [2023-11-12 00:47:55,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:55,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat