./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:22,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:22,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:01:22,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:22,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:22,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:22,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:22,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:22,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:23,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:23,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:23,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:23,006 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:23,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:23,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:23,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:23,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:23,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:23,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:23,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:23,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:23,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:23,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:23,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:23,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:23,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:23,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:23,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:23,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:23,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:23,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:23,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:23,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:23,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:23,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:23,021 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:23,021 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8b1c7c83cbc8f75e845878e12835fe6569e3675eb400909d1669023ab04c0d [2023-11-19 08:01:23,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:23,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:23,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:23,473 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:23,474 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:23,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 08:01:26,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:27,412 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:27,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/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 [2023-11-19 08:01:27,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/data/2b8aac76d/f14aaea523ec4e2e885997b7ba8c7f01/FLAG588c85d67 [2023-11-19 08:01:27,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/data/2b8aac76d/f14aaea523ec4e2e885997b7ba8c7f01 [2023-11-19 08:01:27,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:27,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:27,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:27,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:27,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:27,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca45b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:27, skipping insertion in model container [2023-11-19 08:01:27,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:27" (1/1) ... [2023-11-19 08:01:27,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:31,786 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_262a9467-f182-46a6-8ca6-d213d1535b71/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] [2023-11-19 08:01:31,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:31,931 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:32,115 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] [2023-11-19 08:01:32,117 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] [2023-11-19 08:01:32,118 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] [2023-11-19 08:01:32,119 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] [2023-11-19 08:01:32,736 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_262a9467-f182-46a6-8ca6-d213d1535b71/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] [2023-11-19 08:01:32,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:33,114 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:01:33,123 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:33,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33 WrapperNode [2023-11-19 08:01:33,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:33,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:33,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:33,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:33,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:33,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:33,631 INFO L138 Inliner]: procedures = 490, calls = 4997, calls flagged for inlining = 140, calls inlined = 118, statements flattened = 7659 [2023-11-19 08:01:33,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:33,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:33,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:33,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:33,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:33,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:33,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:33,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:33,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:33,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:34,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:34,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:34,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:34,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:34,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:34,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:34,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (1/1) ... [2023-11-19 08:01:34,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:34,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:34,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:34,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262a9467-f182-46a6-8ca6-d213d1535b71/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-19 08:01:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-19 08:01:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_prepare_pkt [2023-11-19 08:01:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_prepare_pkt [2023-11-19 08:01:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:01:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:01:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 08:01:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 08:01:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_setup [2023-11-19 08:01:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_setup [2023-11-19 08:01:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 08:01:34,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 08:01:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:01:34,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:01:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure ll_dequeue [2023-11-19 08:01:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_dequeue [2023-11-19 08:01:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_close [2023-11-19 08:01:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_close [2023-11-19 08:01:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-19 08:01:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-19 08:01:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 08:01:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 08:01:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:01:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:01:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_flush [2023-11-19 08:01:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_flush [2023-11-19 08:01:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure ath_dequeue [2023-11-19 08:01:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_dequeue [2023-11-19 08:01:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-19 08:01:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-19 08:01:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 08:01:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure h5_link_control [2023-11-19 08:01:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_link_control [2023-11-19 08:01:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 08:01:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 08:01:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:01:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:01:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure bt_skb_alloc___1 [2023-11-19 08:01:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_skb_alloc___1 [2023-11-19 08:01:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2023-11-19 08:01:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2023-11-19 08:01:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:01:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure h4_enqueue [2023-11-19 08:01:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_enqueue [2023-11-19 08:01:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 08:01:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 08:01:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure ath_hci_uart_work [2023-11-19 08:01:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_hci_uart_work [2023-11-19 08:01:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure btbcm_set_bdaddr [2023-11-19 08:01:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_setup [2023-11-19 08:01:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_setup [2023-11-19 08:01:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:01:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 08:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 08:01:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:01:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure __ll_do_awake [2023-11-19 08:01:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __ll_do_awake [2023-11-19 08:01:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-19 08:01:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-19 08:01:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure h5_peer_reset [2023-11-19 08:01:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_peer_reset [2023-11-19 08:01:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:01:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure h5_enqueue [2023-11-19 08:01:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_enqueue [2023-11-19 08:01:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_complete_rx_pkt [2023-11-19 08:01:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_complete_rx_pkt [2023-11-19 08:01:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:01:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:01:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_unregister_proto [2023-11-19 08:01:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_unregister_proto [2023-11-19 08:01:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 08:01:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 08:01:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure hci_get_drvdata [2023-11-19 08:01:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_get_drvdata [2023-11-19 08:01:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_close [2023-11-19 08:01:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_close [2023-11-19 08:01:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure btintel_set_bdaddr [2023-11-19 08:01:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-19 08:01:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-19 08:01:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_recv [2023-11-19 08:01:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_recv [2023-11-19 08:01:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_register_proto [2023-11-19 08:01:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_register_proto [2023-11-19 08:01:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_recv [2023-11-19 08:01:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_recv [2023-11-19 08:01:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 08:01:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 08:01:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_flush [2023-11-19 08:01:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_flush [2023-11-19 08:01:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:01:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-19 08:01:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-19 08:01:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-19 08:01:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-19 08:01:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure bscp_get_crc [2023-11-19 08:01:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure bscp_get_crc [2023-11-19 08:01:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:01:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:01:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:01:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:01:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:01:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-19 08:01:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-19 08:01:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_init_work [2023-11-19 08:01:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_init_work [2023-11-19 08:01:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure ll_close [2023-11-19 08:01:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_close [2023-11-19 08:01:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:01:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 08:01:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure hci_register_dev [2023-11-19 08:01:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_register_dev [2023-11-19 08:01:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure send_hcill_cmd [2023-11-19 08:01:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure send_hcill_cmd [2023-11-19 08:01:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 08:01:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 08:01:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure ath_flush [2023-11-19 08:01:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_flush [2023-11-19 08:01:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_msgdelim [2023-11-19 08:01:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_msgdelim [2023-11-19 08:01:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure h4_dequeue [2023-11-19 08:01:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_dequeue [2023-11-19 08:01:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure ath_wakeup_ar3k [2023-11-19 08:01:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_wakeup_ar3k [2023-11-19 08:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure h5_prepare_pkt [2023-11-19 08:01:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_prepare_pkt [2023-11-19 08:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-19 08:01:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-19 08:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 08:01:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 08:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_open [2023-11-19 08:01:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_open [2023-11-19 08:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 08:01:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 08:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_close [2023-11-19 08:01:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_close [2023-11-19 08:01:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 08:01:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 08:01:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure h5_cfg_field [2023-11-19 08:01:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_cfg_field [2023-11-19 08:01:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 08:01:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 08:01:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure h5_flush [2023-11-19 08:01:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_flush [2023-11-19 08:01:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 08:01:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 08:01:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure ll_check_data_len [2023-11-19 08:01:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_check_data_len [2023-11-19 08:01:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-19 08:01:34,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-19 08:01:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:01:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:01:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:01:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:01:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_one_byte [2023-11-19 08:01:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_one_byte [2023-11-19 08:01:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 08:01:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 08:01:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2023-11-19 08:01:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2023-11-19 08:01:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_set_baudrate [2023-11-19 08:01:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_set_baudrate [2023-11-19 08:01:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure bt_err [2023-11-19 08:01:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_err [2023-11-19 08:01:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2023-11-19 08:01:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2023-11-19 08:01:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2023-11-19 08:01:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2023-11-19 08:01:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ath_open [2023-11-19 08:01:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_open [2023-11-19 08:01:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ath_setup [2023-11-19 08:01:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_setup [2023-11-19 08:01:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:01:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:01:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_dequeue [2023-11-19 08:01:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_dequeue [2023-11-19 08:01:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 08:01:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 08:01:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure hci_free_dev [2023-11-19 08:01:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_free_dev [2023-11-19 08:01:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2023-11-19 08:01:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2023-11-19 08:01:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:01:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:01:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure h4_open [2023-11-19 08:01:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_open [2023-11-19 08:01:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 08:01:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 08:01:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 08:01:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 08:01:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_send_frame [2023-11-19 08:01:34,376 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_send_frame [2023-11-19 08:01:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:01:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure __hci_cmd_sync [2023-11-19 08:01:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __hci_cmd_sync [2023-11-19 08:01:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ath_close [2023-11-19 08:01:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_close [2023-11-19 08:01:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_crc_update [2023-11-19 08:01:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_crc_update [2023-11-19 08:01:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 08:01:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 08:01:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:01:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 08:01:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 08:01:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2023-11-19 08:01:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2023-11-19 08:01:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 08:01:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 08:01:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure hci_recv_frame [2023-11-19 08:01:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_recv_frame [2023-11-19 08:01:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:01:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure h4_close [2023-11-19 08:01:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_close [2023-11-19 08:01:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2023-11-19 08:01:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2023-11-19 08:01:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure h5_reset_rx [2023-11-19 08:01:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_reset_rx [2023-11-19 08:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 08:01:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 08:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_termios [2023-11-19 08:01:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_termios [2023-11-19 08:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv [2023-11-19 08:01:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv [2023-11-19 08:01:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 08:01:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 08:01:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 08:01:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 08:01:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2023-11-19 08:01:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2023-11-19 08:01:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure ath_recv [2023-11-19 08:01:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_recv [2023-11-19 08:01:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_flush [2023-11-19 08:01:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_flush [2023-11-19 08:01:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure h5_close [2023-11-19 08:01:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_close [2023-11-19 08:01:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_dequeue [2023-11-19 08:01:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_dequeue [2023-11-19 08:01:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 08:01:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 08:01:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_slip_one_byte [2023-11-19 08:01:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_slip_one_byte [2023-11-19 08:01:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_open [2023-11-19 08:01:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_open [2023-11-19 08:01:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure h5_dequeue [2023-11-19 08:01:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_dequeue [2023-11-19 08:01:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure h5_slip_delim [2023-11-19 08:01:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_slip_delim [2023-11-19 08:01:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_close [2023-11-19 08:01:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_close [2023-11-19 08:01:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 08:01:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 08:01:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure ath_enqueue [2023-11-19 08:01:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_enqueue [2023-11-19 08:01:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure h5_open [2023-11-19 08:01:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_open [2023-11-19 08:01:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 08:01:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 08:01:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure ll_enqueue [2023-11-19 08:01:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_enqueue [2023-11-19 08:01:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 08:01:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 08:01:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure h4_recv_buf [2023-11-19 08:01:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_recv_buf [2023-11-19 08:01:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 08:01:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 08:01:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:01:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-19 08:01:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-19 08:01:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 08:01:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 08:01:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 08:01:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 08:01:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:01:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:01:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure tty_driver_flush_buffer [2023-11-19 08:01:34,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_driver_flush_buffer [2023-11-19 08:01:34,400 INFO L130 BoogieDeclarations]: Found specification of procedure h5_recv [2023-11-19 08:01:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_recv [2023-11-19 08:01:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure ll_open [2023-11-19 08:01:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_open [2023-11-19 08:01:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tx_wakeup [2023-11-19 08:01:34,401 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tx_wakeup [2023-11-19 08:01:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 08:01:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 08:01:34,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 08:01:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 08:01:34,408 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_set_baudrate [2023-11-19 08:01:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_set_baudrate [2023-11-19 08:01:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure ll_flush [2023-11-19 08:01:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_flush [2023-11-19 08:01:34,409 INFO L130 BoogieDeclarations]: Found specification of procedure bcm_enqueue [2023-11-19 08:01:34,409 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm_enqueue [2023-11-19 08:01:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure h5_complete_rx_pkt [2023-11-19 08:01:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure h5_complete_rx_pkt [2023-11-19 08:01:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure ll_recv [2023-11-19 08:01:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_recv [2023-11-19 08:01:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_write_work [2023-11-19 08:01:34,410 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_write_work [2023-11-19 08:01:34,410 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 08:01:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 08:01:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-19 08:01:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-19 08:01:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 08:01:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 08:01:34,411 INFO L130 BoogieDeclarations]: Found specification of procedure hci_uart_tty_open [2023-11-19 08:01:34,411 INFO L138 BoogieDeclarations]: Found implementation of procedure hci_uart_tty_open [2023-11-19 08:01:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure bcsp_enqueue [2023-11-19 08:01:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure bcsp_enqueue [2023-11-19 08:01:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 08:01:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 08:01:34,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 08:01:34,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 08:01:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-11-19 08:01:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-11-19 08:01:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure bt_info [2023-11-19 08:01:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_info [2023-11-19 08:01:34,413 INFO L130 BoogieDeclarations]: Found specification of procedure h4_flush [2023-11-19 08:01:34,413 INFO L138 BoogieDeclarations]: Found implementation of procedure h4_flush [2023-11-19 08:01:35,550 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:35,565 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:36,538 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:01:50,989 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:51,014 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:51,015 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:01:51,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:51 BoogieIcfgContainer [2023-11-19 08:01:51,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:51,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:51,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:51,043 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:51,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:27" (1/3) ... [2023-11-19 08:01:51,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffd3f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:51, skipping insertion in model container [2023-11-19 08:01:51,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:33" (2/3) ... [2023-11-19 08:01:51,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffd3f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:51, skipping insertion in model container [2023-11-19 08:01:51,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:51" (3/3) ... [2023-11-19 08:01:51,050 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--bluetooth--hci_uart.ko-entry_point.cil.out.i [2023-11-19 08:01:51,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:51,072 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:51,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:51,218 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=PETRI_NET, 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;@587635a1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:51,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 2950 states, 1960 states have (on average 1.3622448979591837) internal successors, (2670), 2076 states have internal predecessors, (2670), 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) [2023-11-19 08:01:51,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 08:01:51,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:51,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:51,265 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:51,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:51,270 INFO L85 PathProgramCache]: Analyzing trace with hash -354131281, now seen corresponding path program 1 times [2023-11-19 08:01:51,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:51,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963952716] [2023-11-19 08:01:51,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:51,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 08:01:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:52,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:01:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:52,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:01:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:01:52,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:52,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963952716] [2023-11-19 08:01:52,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963952716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:52,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:52,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:52,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195595831] [2023-11-19 08:01:52,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:52,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:52,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:52,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:52,580 INFO L87 Difference]: Start difference. First operand has 2950 states, 1960 states have (on average 1.3622448979591837) internal successors, (2670), 2076 states have internal predecessors, (2670), 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 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 08:01:57,490 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 [] [2023-11-19 08:01:59,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:02:01,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 08:02:10,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:10,893 INFO L93 Difference]: Finished difference Result 6249 states and 9539 transitions. [2023-11-19 08:02:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:10,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 56 [2023-11-19 08:02:10,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:10,972 INFO L225 Difference]: With dead ends: 6249 [2023-11-19 08:02:10,972 INFO L226 Difference]: Without dead ends: 3262 [2023-11-19 08:02:11,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:11,015 INFO L413 NwaCegarLoop]: 3895 mSDtfsCounter, 811 mSDsluCounter, 5640 mSDsCounter, 0 mSdLazyCounter, 2410 mSolverCounterSat, 924 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 9535 SdHoareTripleChecker+Invalid, 3337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 2410 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:11,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 9535 Invalid, 3337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [924 Valid, 2410 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2023-11-19 08:02:11,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2023-11-19 08:02:11,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2900. [2023-11-19 08:02:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 1932 states have (on average 1.3555900621118013) internal successors, (2619), 2035 states have internal predecessors, (2619), 819 states have call successors, (819), 149 states have call predecessors, (819), 148 states have return successors, (818), 803 states have call predecessors, (818), 818 states have call successors, (818) [2023-11-19 08:02:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4256 transitions. [2023-11-19 08:02:11,379 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4256 transitions. Word has length 56 [2023-11-19 08:02:11,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:11,382 INFO L495 AbstractCegarLoop]: Abstraction has 2900 states and 4256 transitions. [2023-11-19 08:02:11,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 08:02:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4256 transitions. [2023-11-19 08:02:11,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 08:02:11,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:11,395 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:11,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:02:11,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:11,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:11,397 INFO L85 PathProgramCache]: Analyzing trace with hash 683978395, now seen corresponding path program 1 times [2023-11-19 08:02:11,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:11,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057225925] [2023-11-19 08:02:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:11,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat