./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC --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 933dd0d2fb6123c49a9fe18c9ec661f96e4ab43ff48b9b6395d569a8d178a6c2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:20:43,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:20:43,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 18:20:43,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:20:43,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:20:43,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:20:43,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:20:43,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:20:43,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:20:43,631 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:20:43,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:20:43,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:20:43,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:20:43,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:20:43,633 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:20:43,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:20:43,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:20:43,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:20:43,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:20:43,635 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:20:43,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:43,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:20:43,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:20:43,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:20:43,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:20:43,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:43,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:20:43,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:20:43,637 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:20:43,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:20:43,637 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:20:43,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:20:43,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:20:43,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:20:43,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:20:43,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:20:43,638 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC 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 -> 933dd0d2fb6123c49a9fe18c9ec661f96e4ab43ff48b9b6395d569a8d178a6c2 [2024-11-23 18:20:43,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:20:43,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:20:43,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:20:43,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:20:43,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:20:43,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2024-11-23 18:20:46,998 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/data/d876774a3/730f21fd49bc45e19ce848b4a64bf3a3/FLAG3d57ec92c [2024-11-23 18:20:47,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:20:47,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2024-11-23 18:20:47,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/data/d876774a3/730f21fd49bc45e19ce848b4a64bf3a3/FLAG3d57ec92c [2024-11-23 18:20:47,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/data/d876774a3/730f21fd49bc45e19ce848b4a64bf3a3 [2024-11-23 18:20:47,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:20:47,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:20:47,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:20:47,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:20:47,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:20:47,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:20:47" (1/1) ... [2024-11-23 18:20:47,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fb26c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:47, skipping insertion in model container [2024-11-23 18:20:47,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:20:47" (1/1) ... [2024-11-23 18:20:48,009 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:20:50,767 WARN L250 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2024-11-23 18:20:50,774 WARN L250 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2024-11-23 18:20:50,774 WARN L250 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2024-11-23 18:20:50,779 WARN L250 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2024-11-23 18:20:50,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:20:50,859 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:20:51,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (91), "i" (12UL)); [5786-5787] [2024-11-23 18:20:51,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (118), "i" (12UL)); [5826-5827] [2024-11-23 18:20:51,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (355), "i" (12UL)); [6178-6179] [2024-11-23 18:20:51,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (356), "i" (12UL)); [6189-6190] [2024-11-23 18:20:51,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (393), "i" (12UL)); [6258-6259] [2024-11-23 18:20:51,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/usb/smsc75xx.c"), "i" (394), "i" (12UL)); [6269-6270] [2024-11-23 18:20:51,366 WARN L250 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359515,359528] [2024-11-23 18:20:51,366 WARN L250 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359684,359697] [2024-11-23 18:20:51,367 WARN L250 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[359851,359864] [2024-11-23 18:20:51,368 WARN L250 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_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i[360019,360032] [2024-11-23 18:20:51,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:20:51,647 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:20:51,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51 WrapperNode [2024-11-23 18:20:51,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:20:51,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:20:51,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:20:51,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:20:51,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:51,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:52,083 INFO L138 Inliner]: procedures = 389, calls = 3974, calls flagged for inlining = 185, calls inlined = 168, statements flattened = 9181 [2024-11-23 18:20:52,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:20:52,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:20:52,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:20:52,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:20:52,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:52,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:52,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:53,703 INFO L175 MemorySlicer]: Split 1239 memory accesses to 23 slices as follows [2, 4, 2, 2, 1, 2, 2, 167, 19, 621, 2, 53, 1, 5, 2, 22, 2, 2, 12, 280, 8, 20, 8]. 50 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 8]. The 593 writes are split as follows [1, 1, 1, 1, 0, 1, 0, 54, 19, 193, 1, 44, 0, 5, 1, 18, 1, 1, 1, 240, 0, 10, 0]. [2024-11-23 18:20:53,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:53,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:53,909 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:53,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:53,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:54,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:54,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:54,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:20:54,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:20:54,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:20:54,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:20:54,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (1/1) ... [2024-11-23 18:20:54,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:20:54,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:20:54,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:20:54,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f45c3c-89b7-4a6f-85fb-7e1cdccc8abd/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:20:54,230 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg_nopm [2024-11-23 18:20:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg_nopm [2024-11-23 18:20:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 18:20:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 18:20:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2024-11-23 18:20:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2024-11-23 18:20:54,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 18:20:54,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 18:20:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2024-11-23 18:20:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2024-11-23 18:20:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 18:20:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 18:20:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-11-23 18:20:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-11-23 18:20:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enable_phy_wakeup_interrupts [2024-11-23 18:20:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enable_phy_wakeup_interrupts [2024-11-23 18:20:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_reset [2024-11-23 18:20:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_reset [2024-11-23 18:20:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_eeprom [2024-11-23 18:20:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_eeprom [2024-11-23 18:20:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_write [2024-11-23 18:20:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_write [2024-11-23 18:20:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-23 18:20:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-23 18:20:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-23 18:20:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-23 18:20:54,237 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-23 18:20:54,237 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-23 18:20:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_rx_csum_offload [2024-11-23 18:20:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_rx_csum_offload [2024-11-23 18:20:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-23 18:20:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-23 18:20:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 18:20:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 18:20:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:20:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_features [2024-11-23 18:20:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_features [2024-11-23 18:20:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-23 18:20:54,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-23 18:20:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 18:20:54,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 18:20:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2024-11-23 18:20:54,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 18:20:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-23 18:20:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2024-11-23 18:20:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2024-11-23 18:20:54,241 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read_nopm [2024-11-23 18:20:54,241 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read_nopm [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 18:20:54,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 18:20:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 18:20:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 18:20:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 18:20:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 18:20:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-23 18:20:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-23 18:20:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 18:20:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 18:20:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 18:20:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 18:20:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 18:20:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 18:20:54,249 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 18:20:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 18:20:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 18:20:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 18:20:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 18:20:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-23 18:20:54,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-23 18:20:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_phy_wait_not_busy [2024-11-23 18:20:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_phy_wait_not_busy [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-23 18:20:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write [2024-11-23 18:20:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 18:20:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-23 18:20:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-23 18:20:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 18:20:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-23 18:20:54,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 18:20:54,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-23 18:20:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2024-11-23 18:20:54,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2024-11-23 18:20:54,256 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_read [2024-11-23 18:20:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_read [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_rx_max_frame_length [2024-11-23 18:20:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_rx_max_frame_length [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-23 18:20:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:20:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_read_reg [2024-11-23 18:20:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_read_reg [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-11-23 18:20:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-23 18:20:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_ethtool_get_eeprom_len [2024-11-23 18:20:54,257 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_ethtool_get_eeprom_len [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 18:20:54,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 18:20:54,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 18:20:54,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc75xx_driver_exit_6_2 [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_mdio_write_nopm [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_mdio_write_nopm [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_set_multicast [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_set_multicast [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 18:20:54,263 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-23 18:20:54,263 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 18:20:54,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 18:20:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-23 18:20:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-23 18:20:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-23 18:20:54,268 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-23 18:20:54,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-23 18:20:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-23 18:20:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-23 18:20:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-23 18:20:54,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-23 18:20:54,269 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_mdio_read [2024-11-23 18:20:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_mdio_read [2024-11-23 18:20:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-23 18:20:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-23 18:20:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 18:20:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 18:20:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_reg_nopm [2024-11-23 18:20:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_reg_nopm [2024-11-23 18:20:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-23 18:20:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-23 18:20:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc75xx_write_reg [2024-11-23 18:20:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc75xx_write_reg [2024-11-23 18:20:54,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2024-11-23 18:20:54,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2024-11-23 18:20:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_wait_ready [2024-11-23 18:20:54,271 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_wait_ready [2024-11-23 18:20:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:20:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:20:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:20:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:20:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:20:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:20:54,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 18:20:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 18:20:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 18:20:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 18:20:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 18:20:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 18:20:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 18:20:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 18:20:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 18:20:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 18:20:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 18:20:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 18:20:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 18:20:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 18:20:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-23 18:20:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-23 18:20:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_read_eeprom [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_read_eeprom [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_link_reset [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_link_reset [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_resume [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_resume [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_wuff [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_wuff [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_eeprom_confirm_not_busy [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_eeprom_confirm_not_busy [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend2 [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend2 [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_enter_suspend1 [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_enter_suspend1 [2024-11-23 18:20:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure smsc75xx_write_reg [2024-11-23 18:20:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc75xx_write_reg [2024-11-23 18:20:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:20:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:20:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:20:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:20:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:20:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:20:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 18:20:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 18:20:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 18:20:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-23 18:20:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-23 18:20:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-23 18:20:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2024-11-23 18:20:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rfe_ctl_lock_of_smsc75xx_priv [2024-11-23 18:20:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-23 18:20:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-23 18:20:55,577 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:20:55,582 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:20:56,721 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 18:21:14,051 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-23 18:21:15,699 INFO L? ?]: Removed 3118 outVars from TransFormulas that were not future-live. [2024-11-23 18:21:15,700 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:21:15,773 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:21:15,773 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 18:21:15,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:15 BoogieIcfgContainer [2024-11-23 18:21:15,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:21:15,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:21:15,776 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:21:15,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:21:15,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:20:47" (1/3) ... [2024-11-23 18:21:15,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35231257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:15, skipping insertion in model container [2024-11-23 18:21:15,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:51" (2/3) ... [2024-11-23 18:21:15,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35231257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:21:15, skipping insertion in model container [2024-11-23 18:21:15,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:15" (3/3) ... [2024-11-23 18:21:15,793 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i [2024-11-23 18:21:15,811 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:21:15,814 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-usb-smsc75xx.cil.i that has 99 procedures, 2751 locations, 1 initial locations, 46 loop locations, and 3 error locations. [2024-11-23 18:21:15,959 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:21:15,975 INFO L333 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, 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;@7fd51c81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:21:15,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 18:21:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 2639 states, 1955 states have (on average 1.370843989769821) internal successors, (2680), 1958 states have internal predecessors, (2680), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) [2024-11-23 18:21:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-23 18:21:16,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:16,024 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:16,025 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:21:16,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:16,031 INFO L85 PathProgramCache]: Analyzing trace with hash 695567123, now seen corresponding path program 1 times [2024-11-23 18:21:16,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120862020] [2024-11-23 18:21:16,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:16,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-23 18:21:22,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:22,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120862020] [2024-11-23 18:21:22,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120862020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:22,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:22,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:21:22,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605437198] [2024-11-23 18:21:22,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:22,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:21:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:22,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:21:22,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:21:22,857 INFO L87 Difference]: Start difference. First operand has 2639 states, 1955 states have (on average 1.370843989769821) internal successors, (2680), 1958 states have internal predecessors, (2680), 606 states have call successors, (606), 76 states have call predecessors, (606), 75 states have return successors, (599), 599 states have call predecessors, (599), 599 states have call successors, (599) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 18:21:26,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:21:27,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:27,754 INFO L93 Difference]: Finished difference Result 7733 states and 11777 transitions. [2024-11-23 18:21:27,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:21:27,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2024-11-23 18:21:27,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:27,826 INFO L225 Difference]: With dead ends: 7733 [2024-11-23 18:21:27,827 INFO L226 Difference]: Without dead ends: 5122 [2024-11-23 18:21:27,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:21:27,864 INFO L435 NwaCegarLoop]: 3843 mSDtfsCounter, 3662 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:27,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3662 Valid, 7611 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-23 18:21:27,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2024-11-23 18:21:28,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 5118. [2024-11-23 18:21:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 3822 states have (on average 1.3466771323914182) internal successors, (5147), 3827 states have internal predecessors, (5147), 1147 states have call successors, (1147), 147 states have call predecessors, (1147), 146 states have return successors, (1143), 1143 states have call predecessors, (1143), 1143 states have call successors, (1143) [2024-11-23 18:21:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 7437 transitions. [2024-11-23 18:21:28,474 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 7437 transitions. Word has length 217 [2024-11-23 18:21:28,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:28,477 INFO L471 AbstractCegarLoop]: Abstraction has 5118 states and 7437 transitions. [2024-11-23 18:21:28,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 18:21:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 7437 transitions. [2024-11-23 18:21:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-23 18:21:28,491 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:28,492 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:28,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:21:28,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:21:28,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:28,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1778344957, now seen corresponding path program 1 times [2024-11-23 18:21:28,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:28,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819337125] [2024-11-23 18:21:28,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:28,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2024-11-23 18:21:33,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:33,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819337125] [2024-11-23 18:21:33,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819337125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:33,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:33,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:21:33,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860763765] [2024-11-23 18:21:33,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:33,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:21:33,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:33,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:21:33,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:21:33,162 INFO L87 Difference]: Start difference. First operand 5118 states and 7437 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 18:21:37,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:21:38,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:38,716 INFO L93 Difference]: Finished difference Result 12330 states and 17933 transitions. [2024-11-23 18:21:38,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:21:38,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2024-11-23 18:21:38,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:38,780 INFO L225 Difference]: With dead ends: 12330 [2024-11-23 18:21:38,780 INFO L226 Difference]: Without dead ends: 7251 [2024-11-23 18:21:38,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:21:38,806 INFO L435 NwaCegarLoop]: 4083 mSDtfsCounter, 3413 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 7808 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:38,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 7808 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-23 18:21:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7251 states. [2024-11-23 18:21:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7251 to 7224. [2024-11-23 18:21:39,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7224 states, 5364 states have (on average 1.3484340044742729) internal successors, (7233), 5374 states have internal predecessors, (7233), 1639 states have call successors, (1639), 219 states have call predecessors, (1639), 218 states have return successors, (1635), 1630 states have call predecessors, (1635), 1635 states have call successors, (1635) [2024-11-23 18:21:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 10507 transitions. [2024-11-23 18:21:39,279 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 10507 transitions. Word has length 228 [2024-11-23 18:21:39,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:39,281 INFO L471 AbstractCegarLoop]: Abstraction has 7224 states and 10507 transitions. [2024-11-23 18:21:39,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-23 18:21:39,281 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 10507 transitions. [2024-11-23 18:21:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-23 18:21:39,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:39,297 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:39,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:21:39,297 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:21:39,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:39,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1024320444, now seen corresponding path program 1 times [2024-11-23 18:21:39,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:39,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000021781] [2024-11-23 18:21:39,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:39,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1470 trivial. 0 not checked. [2024-11-23 18:21:44,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:44,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000021781] [2024-11-23 18:21:44,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000021781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:44,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:44,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:21:44,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329139102] [2024-11-23 18:21:44,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:44,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:21:44,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:44,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:21:44,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:21:44,249 INFO L87 Difference]: Start difference. First operand 7224 states and 10507 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 18:21:48,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:21:49,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:49,134 INFO L93 Difference]: Finished difference Result 16919 states and 24610 transitions. [2024-11-23 18:21:49,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:21:49,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 276 [2024-11-23 18:21:49,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:49,225 INFO L225 Difference]: With dead ends: 16919 [2024-11-23 18:21:49,225 INFO L226 Difference]: Without dead ends: 11989 [2024-11-23 18:21:49,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:21:49,253 INFO L435 NwaCegarLoop]: 7429 mSDtfsCounter, 3623 mSDsluCounter, 3776 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 11205 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:49,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 11205 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 18:21:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11989 states. [2024-11-23 18:21:49,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11989 to 11985. [2024-11-23 18:21:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11985 states, 8925 states have (on average 1.349467787114846) internal successors, (12044), 8935 states have internal predecessors, (12044), 2697 states have call successors, (2697), 361 states have call predecessors, (2697), 360 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2024-11-23 18:21:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11985 states to 11985 states and 17434 transitions. [2024-11-23 18:21:50,002 INFO L78 Accepts]: Start accepts. Automaton has 11985 states and 17434 transitions. Word has length 276 [2024-11-23 18:21:50,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:50,004 INFO L471 AbstractCegarLoop]: Abstraction has 11985 states and 17434 transitions. [2024-11-23 18:21:50,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-23 18:21:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 11985 states and 17434 transitions. [2024-11-23 18:21:50,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-23 18:21:50,015 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:50,015 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:50,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:21:50,016 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:21:50,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:50,017 INFO L85 PathProgramCache]: Analyzing trace with hash 898907590, now seen corresponding path program 1 times [2024-11-23 18:21:50,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:50,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060133208] [2024-11-23 18:21:50,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:50,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:21:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:21:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2024-11-23 18:21:56,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:21:56,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060133208] [2024-11-23 18:21:56,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060133208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:21:56,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:21:56,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:21:56,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497482763] [2024-11-23 18:21:56,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:21:56,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:21:56,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:21:56,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:21:56,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:21:56,384 INFO L87 Difference]: Start difference. First operand 11985 states and 17434 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-23 18:21:57,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:21:57,159 INFO L93 Difference]: Finished difference Result 11991 states and 17439 transitions. [2024-11-23 18:21:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:21:57,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 276 [2024-11-23 18:21:57,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:21:57,255 INFO L225 Difference]: With dead ends: 11991 [2024-11-23 18:21:57,256 INFO L226 Difference]: Without dead ends: 11989 [2024-11-23 18:21:57,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:21:57,266 INFO L435 NwaCegarLoop]: 3806 mSDtfsCounter, 3739 mSDsluCounter, 7599 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3740 SdHoareTripleChecker+Valid, 11405 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:21:57,268 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3740 Valid, 11405 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:21:57,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11989 states. [2024-11-23 18:21:57,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11989 to 11989. [2024-11-23 18:21:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11989 states, 8928 states have (on average 1.3493503584229392) internal successors, (12047), 8938 states have internal predecessors, (12047), 2697 states have call successors, (2697), 362 states have call predecessors, (2697), 361 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2024-11-23 18:21:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11989 states to 11989 states and 17437 transitions. [2024-11-23 18:21:57,996 INFO L78 Accepts]: Start accepts. Automaton has 11989 states and 17437 transitions. Word has length 276 [2024-11-23 18:21:57,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:21:57,999 INFO L471 AbstractCegarLoop]: Abstraction has 11989 states and 17437 transitions. [2024-11-23 18:21:57,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-23 18:21:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 11989 states and 17437 transitions. [2024-11-23 18:21:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2024-11-23 18:21:58,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:21:58,008 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:21:58,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:21:58,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:21:58,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:21:58,009 INFO L85 PathProgramCache]: Analyzing trace with hash -180746419, now seen corresponding path program 1 times [2024-11-23 18:21:58,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:21:58,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312533095] [2024-11-23 18:21:58,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:21:58,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2024-11-23 18:22:03,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:03,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312533095] [2024-11-23 18:22:03,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312533095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:03,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:03,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:22:03,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613544684] [2024-11-23 18:22:03,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:03,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:22:03,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:03,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:22:03,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:22:03,524 INFO L87 Difference]: Start difference. First operand 11989 states and 17437 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-23 18:22:04,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:04,360 INFO L93 Difference]: Finished difference Result 11995 states and 17442 transitions. [2024-11-23 18:22:04,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:22:04,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 281 [2024-11-23 18:22:04,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:04,427 INFO L225 Difference]: With dead ends: 11995 [2024-11-23 18:22:04,428 INFO L226 Difference]: Without dead ends: 11993 [2024-11-23 18:22:04,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:22:04,438 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3735 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3736 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:04,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3736 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:22:04,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11993 states. [2024-11-23 18:22:05,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11993 to 11993. [2024-11-23 18:22:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11993 states, 8931 states have (on average 1.3492330086216549) internal successors, (12050), 8941 states have internal predecessors, (12050), 2697 states have call successors, (2697), 363 states have call predecessors, (2697), 362 states have return successors, (2693), 2688 states have call predecessors, (2693), 2693 states have call successors, (2693) [2024-11-23 18:22:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11993 states to 11993 states and 17440 transitions. [2024-11-23 18:22:05,524 INFO L78 Accepts]: Start accepts. Automaton has 11993 states and 17440 transitions. Word has length 281 [2024-11-23 18:22:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:05,525 INFO L471 AbstractCegarLoop]: Abstraction has 11993 states and 17440 transitions. [2024-11-23 18:22:05,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-23 18:22:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 11993 states and 17440 transitions. [2024-11-23 18:22:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-23 18:22:05,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:05,539 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:05,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:22:05,539 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:22:05,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:05,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1119797540, now seen corresponding path program 1 times [2024-11-23 18:22:05,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:05,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252306771] [2024-11-23 18:22:05,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:05,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1499 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2024-11-23 18:22:09,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:09,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252306771] [2024-11-23 18:22:09,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252306771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:09,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:09,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:22:09,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580311963] [2024-11-23 18:22:09,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:09,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:22:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:09,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:22:09,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:09,850 INFO L87 Difference]: Start difference. First operand 11993 states and 17440 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-23 18:22:13,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:22:14,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:14,923 INFO L93 Difference]: Finished difference Result 26485 states and 38514 transitions. [2024-11-23 18:22:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:22:14,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 295 [2024-11-23 18:22:14,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:15,020 INFO L225 Difference]: With dead ends: 26485 [2024-11-23 18:22:15,020 INFO L226 Difference]: Without dead ends: 16786 [2024-11-23 18:22:15,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:22:15,070 INFO L435 NwaCegarLoop]: 7430 mSDtfsCounter, 3656 mSDsluCounter, 3778 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3656 SdHoareTripleChecker+Valid, 11208 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:15,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3656 Valid, 11208 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-23 18:22:15,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16786 states. [2024-11-23 18:22:16,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16786 to 16756. [2024-11-23 18:22:16,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16756 states, 12494 states have (on average 1.3496878501680807) internal successors, (16863), 12504 states have internal predecessors, (16863), 3755 states have call successors, (3755), 505 states have call predecessors, (3755), 504 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:22:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16756 states to 16756 states and 24369 transitions. [2024-11-23 18:22:16,167 INFO L78 Accepts]: Start accepts. Automaton has 16756 states and 24369 transitions. Word has length 295 [2024-11-23 18:22:16,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:16,167 INFO L471 AbstractCegarLoop]: Abstraction has 16756 states and 24369 transitions. [2024-11-23 18:22:16,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-23 18:22:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 16756 states and 24369 transitions. [2024-11-23 18:22:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-23 18:22:16,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:16,179 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:16,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:22:16,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:22:16,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:16,180 INFO L85 PathProgramCache]: Analyzing trace with hash 423965158, now seen corresponding path program 1 times [2024-11-23 18:22:16,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:16,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914661255] [2024-11-23 18:22:16,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:16,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1490 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1486 trivial. 0 not checked. [2024-11-23 18:22:21,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:21,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914661255] [2024-11-23 18:22:21,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914661255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:21,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:21,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:22:21,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104504095] [2024-11-23 18:22:21,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:21,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:22:21,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:21,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:22:21,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:22:21,103 INFO L87 Difference]: Start difference. First operand 16756 states and 24369 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-23 18:22:22,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:22,047 INFO L93 Difference]: Finished difference Result 16762 states and 24374 transitions. [2024-11-23 18:22:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:22:22,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 286 [2024-11-23 18:22:22,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:22,137 INFO L225 Difference]: With dead ends: 16762 [2024-11-23 18:22:22,137 INFO L226 Difference]: Without dead ends: 16760 [2024-11-23 18:22:22,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:22:22,151 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3734 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:22,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:22:22,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16760 states. [2024-11-23 18:22:23,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16760 to 16760. [2024-11-23 18:22:23,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16760 states, 12497 states have (on average 1.3496039049371849) internal successors, (16866), 12507 states have internal predecessors, (16866), 3755 states have call successors, (3755), 506 states have call predecessors, (3755), 505 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:22:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16760 states to 16760 states and 24372 transitions. [2024-11-23 18:22:23,592 INFO L78 Accepts]: Start accepts. Automaton has 16760 states and 24372 transitions. Word has length 286 [2024-11-23 18:22:23,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:23,595 INFO L471 AbstractCegarLoop]: Abstraction has 16760 states and 24372 transitions. [2024-11-23 18:22:23,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-23 18:22:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 16760 states and 24372 transitions. [2024-11-23 18:22:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-11-23 18:22:23,610 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:23,610 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:23,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:22:23,611 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:22:23,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:23,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1960236717, now seen corresponding path program 1 times [2024-11-23 18:22:23,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:23,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513269747] [2024-11-23 18:22:23,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:23,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:28,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1494 trivial. 0 not checked. [2024-11-23 18:22:28,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:28,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513269747] [2024-11-23 18:22:28,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513269747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:28,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:28,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:22:28,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635058650] [2024-11-23 18:22:28,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:28,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:22:28,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:28,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:22:28,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:22:28,702 INFO L87 Difference]: Start difference. First operand 16760 states and 24372 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 18:22:29,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:29,517 INFO L93 Difference]: Finished difference Result 16766 states and 24377 transitions. [2024-11-23 18:22:29,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:22:29,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 291 [2024-11-23 18:22:29,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:29,604 INFO L225 Difference]: With dead ends: 16766 [2024-11-23 18:22:29,604 INFO L226 Difference]: Without dead ends: 16764 [2024-11-23 18:22:29,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:22:29,617 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3733 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3734 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:29,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3734 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:22:29,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16764 states. [2024-11-23 18:22:30,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16764 to 16764. [2024-11-23 18:22:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16764 states, 12500 states have (on average 1.34952) internal successors, (16869), 12510 states have internal predecessors, (16869), 3755 states have call successors, (3755), 507 states have call predecessors, (3755), 506 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:22:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16764 states to 16764 states and 24375 transitions. [2024-11-23 18:22:30,613 INFO L78 Accepts]: Start accepts. Automaton has 16764 states and 24375 transitions. Word has length 291 [2024-11-23 18:22:30,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:30,614 INFO L471 AbstractCegarLoop]: Abstraction has 16764 states and 24375 transitions. [2024-11-23 18:22:30,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-23 18:22:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 16764 states and 24375 transitions. [2024-11-23 18:22:30,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-23 18:22:30,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:30,628 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:30,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:22:30,628 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:22:30,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash -631427578, now seen corresponding path program 1 times [2024-11-23 18:22:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:30,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176079910] [2024-11-23 18:22:30,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:30,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1506 trivial. 0 not checked. [2024-11-23 18:22:35,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:35,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176079910] [2024-11-23 18:22:35,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176079910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:35,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:35,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:22:35,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710677043] [2024-11-23 18:22:35,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:35,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:22:35,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:35,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:22:35,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:22:35,705 INFO L87 Difference]: Start difference. First operand 16764 states and 24375 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-23 18:22:36,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:36,791 INFO L93 Difference]: Finished difference Result 16770 states and 24380 transitions. [2024-11-23 18:22:36,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:22:36,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2024-11-23 18:22:36,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:36,877 INFO L225 Difference]: With dead ends: 16770 [2024-11-23 18:22:36,877 INFO L226 Difference]: Without dead ends: 16768 [2024-11-23 18:22:36,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:22:36,890 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3732 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:36,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:22:36,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16768 states. [2024-11-23 18:22:37,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16768 to 16768. [2024-11-23 18:22:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16768 states, 12503 states have (on average 1.3494361353275215) internal successors, (16872), 12513 states have internal predecessors, (16872), 3755 states have call successors, (3755), 508 states have call predecessors, (3755), 507 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:22:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16768 states to 16768 states and 24378 transitions. [2024-11-23 18:22:37,925 INFO L78 Accepts]: Start accepts. Automaton has 16768 states and 24378 transitions. Word has length 296 [2024-11-23 18:22:37,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:37,927 INFO L471 AbstractCegarLoop]: Abstraction has 16768 states and 24378 transitions. [2024-11-23 18:22:37,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-23 18:22:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 16768 states and 24378 transitions. [2024-11-23 18:22:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-23 18:22:37,940 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:37,941 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:37,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:22:37,941 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:22:37,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash 103915021, now seen corresponding path program 1 times [2024-11-23 18:22:37,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:37,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730884272] [2024-11-23 18:22:37,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:37,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:42,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1532 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1522 trivial. 0 not checked. [2024-11-23 18:22:42,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:42,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730884272] [2024-11-23 18:22:42,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730884272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:42,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:42,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:22:42,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907098277] [2024-11-23 18:22:42,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:42,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:22:42,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:42,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:22:42,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:22:42,776 INFO L87 Difference]: Start difference. First operand 16768 states and 24378 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 18:22:43,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:43,485 INFO L93 Difference]: Finished difference Result 16774 states and 24383 transitions. [2024-11-23 18:22:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:22:43,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 301 [2024-11-23 18:22:43,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:43,574 INFO L225 Difference]: With dead ends: 16774 [2024-11-23 18:22:43,574 INFO L226 Difference]: Without dead ends: 16772 [2024-11-23 18:22:43,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:22:43,587 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3731 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3732 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:43,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3732 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:22:43,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16772 states. [2024-11-23 18:22:44,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16772 to 16772. [2024-11-23 18:22:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16772 states, 12506 states have (on average 1.3493523108907723) internal successors, (16875), 12516 states have internal predecessors, (16875), 3755 states have call successors, (3755), 509 states have call predecessors, (3755), 508 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:22:45,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16772 states to 16772 states and 24381 transitions. [2024-11-23 18:22:45,016 INFO L78 Accepts]: Start accepts. Automaton has 16772 states and 24381 transitions. Word has length 301 [2024-11-23 18:22:45,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:45,017 INFO L471 AbstractCegarLoop]: Abstraction has 16772 states and 24381 transitions. [2024-11-23 18:22:45,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-23 18:22:45,017 INFO L276 IsEmpty]: Start isEmpty. Operand 16772 states and 24381 transitions. [2024-11-23 18:22:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-23 18:22:45,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:45,028 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:45,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:22:45,028 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:22:45,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:45,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1236415014, now seen corresponding path program 1 times [2024-11-23 18:22:45,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:45,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671125212] [2024-11-23 18:22:45,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:45,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2024-11-23 18:22:49,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:49,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671125212] [2024-11-23 18:22:49,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671125212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:49,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:49,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:22:49,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724573195] [2024-11-23 18:22:49,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:49,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:22:49,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:49,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:22:49,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:22:49,868 INFO L87 Difference]: Start difference. First operand 16772 states and 24381 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 18:22:50,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:50,643 INFO L93 Difference]: Finished difference Result 16778 states and 24386 transitions. [2024-11-23 18:22:50,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:22:50,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 306 [2024-11-23 18:22:50,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:50,719 INFO L225 Difference]: With dead ends: 16778 [2024-11-23 18:22:50,719 INFO L226 Difference]: Without dead ends: 16776 [2024-11-23 18:22:50,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:22:50,732 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3730 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3731 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:50,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3731 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:22:50,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16776 states. [2024-11-23 18:22:51,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16776 to 16776. [2024-11-23 18:22:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16776 states, 12509 states have (on average 1.3492685266608042) internal successors, (16878), 12519 states have internal predecessors, (16878), 3755 states have call successors, (3755), 510 states have call predecessors, (3755), 509 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:22:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16776 states to 16776 states and 24384 transitions. [2024-11-23 18:22:51,721 INFO L78 Accepts]: Start accepts. Automaton has 16776 states and 24384 transitions. Word has length 306 [2024-11-23 18:22:51,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:51,721 INFO L471 AbstractCegarLoop]: Abstraction has 16776 states and 24384 transitions. [2024-11-23 18:22:51,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-23 18:22:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 16776 states and 24384 transitions. [2024-11-23 18:22:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-23 18:22:51,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:51,731 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:51,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:22:51,732 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:22:51,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:51,732 INFO L85 PathProgramCache]: Analyzing trace with hash -298558099, now seen corresponding path program 1 times [2024-11-23 18:22:51,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:51,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280532650] [2024-11-23 18:22:51,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:51,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2024-11-23 18:22:56,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:56,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280532650] [2024-11-23 18:22:56,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280532650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:56,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:56,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:22:56,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306304414] [2024-11-23 18:22:56,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:56,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:22:56,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:56,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:22:56,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:22:56,073 INFO L87 Difference]: Start difference. First operand 16776 states and 24384 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-23 18:22:56,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:56,852 INFO L93 Difference]: Finished difference Result 16782 states and 24389 transitions. [2024-11-23 18:22:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:22:56,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 311 [2024-11-23 18:22:56,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:56,913 INFO L225 Difference]: With dead ends: 16782 [2024-11-23 18:22:56,914 INFO L226 Difference]: Without dead ends: 16780 [2024-11-23 18:22:56,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:22:56,927 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3729 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3730 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:56,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3730 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:22:56,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16780 states. [2024-11-23 18:22:57,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16780 to 16780. [2024-11-23 18:22:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16780 states, 12512 states have (on average 1.3491847826086956) internal successors, (16881), 12522 states have internal predecessors, (16881), 3755 states have call successors, (3755), 511 states have call predecessors, (3755), 510 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:22:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16780 states to 16780 states and 24387 transitions. [2024-11-23 18:22:57,916 INFO L78 Accepts]: Start accepts. Automaton has 16780 states and 24387 transitions. Word has length 311 [2024-11-23 18:22:57,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:57,917 INFO L471 AbstractCegarLoop]: Abstraction has 16780 states and 24387 transitions. [2024-11-23 18:22:57,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-23 18:22:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 16780 states and 24387 transitions. [2024-11-23 18:22:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-23 18:22:57,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:57,926 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:57,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:22:57,926 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:22:57,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:57,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1533395386, now seen corresponding path program 1 times [2024-11-23 18:22:57,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:57,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600811371] [2024-11-23 18:22:57,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-11-23 18:23:02,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:02,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600811371] [2024-11-23 18:23:02,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600811371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:02,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:02,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:23:02,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137621022] [2024-11-23 18:23:02,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:02,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:23:02,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:02,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:23:02,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:23:02,125 INFO L87 Difference]: Start difference. First operand 16780 states and 24387 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-23 18:23:03,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:03,027 INFO L93 Difference]: Finished difference Result 16786 states and 24392 transitions. [2024-11-23 18:23:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:23:03,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 316 [2024-11-23 18:23:03,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:03,083 INFO L225 Difference]: With dead ends: 16786 [2024-11-23 18:23:03,083 INFO L226 Difference]: Without dead ends: 16784 [2024-11-23 18:23:03,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:23:03,094 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3728 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:23:03,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3729 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:23:03,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16784 states. [2024-11-23 18:23:03,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16784 to 16784. [2024-11-23 18:23:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16784 states, 12515 states have (on average 1.3491010787055533) internal successors, (16884), 12525 states have internal predecessors, (16884), 3755 states have call successors, (3755), 512 states have call predecessors, (3755), 511 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:23:03,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16784 states to 16784 states and 24390 transitions. [2024-11-23 18:23:03,969 INFO L78 Accepts]: Start accepts. Automaton has 16784 states and 24390 transitions. Word has length 316 [2024-11-23 18:23:03,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:23:03,969 INFO L471 AbstractCegarLoop]: Abstraction has 16784 states and 24390 transitions. [2024-11-23 18:23:03,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-23 18:23:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 16784 states and 24390 transitions. [2024-11-23 18:23:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-23 18:23:03,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:23:03,981 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 10, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:03,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:23:03,982 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:23:03,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:03,982 INFO L85 PathProgramCache]: Analyzing trace with hash -716630835, now seen corresponding path program 1 times [2024-11-23 18:23:03,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:03,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066716622] [2024-11-23 18:23:03,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:03,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1644 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1626 trivial. 0 not checked. [2024-11-23 18:23:08,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:08,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066716622] [2024-11-23 18:23:08,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066716622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:08,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:08,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:23:08,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095574530] [2024-11-23 18:23:08,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:08,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:23:08,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:08,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:23:08,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:23:08,846 INFO L87 Difference]: Start difference. First operand 16784 states and 24390 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:23:09,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:09,797 INFO L93 Difference]: Finished difference Result 16860 states and 24444 transitions. [2024-11-23 18:23:09,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:23:09,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 321 [2024-11-23 18:23:09,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:09,846 INFO L225 Difference]: With dead ends: 16860 [2024-11-23 18:23:09,846 INFO L226 Difference]: Without dead ends: 16858 [2024-11-23 18:23:09,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:23:09,855 INFO L435 NwaCegarLoop]: 3807 mSDtfsCounter, 3575 mSDsluCounter, 7747 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3576 SdHoareTripleChecker+Valid, 11554 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:23:09,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3576 Valid, 11554 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:23:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16858 states. [2024-11-23 18:23:10,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16858 to 16858. [2024-11-23 18:23:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16858 states, 12567 states have (on average 1.3476565608339302) internal successors, (16936), 12577 states have internal predecessors, (16936), 3755 states have call successors, (3755), 534 states have call predecessors, (3755), 533 states have return successors, (3751), 3746 states have call predecessors, (3751), 3751 states have call successors, (3751) [2024-11-23 18:23:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16858 states to 16858 states and 24442 transitions. [2024-11-23 18:23:10,775 INFO L78 Accepts]: Start accepts. Automaton has 16858 states and 24442 transitions. Word has length 321 [2024-11-23 18:23:10,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:23:10,776 INFO L471 AbstractCegarLoop]: Abstraction has 16858 states and 24442 transitions. [2024-11-23 18:23:10,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:23:10,776 INFO L276 IsEmpty]: Start isEmpty. Operand 16858 states and 24442 transitions. [2024-11-23 18:23:10,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-11-23 18:23:10,788 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:23:10,788 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:10,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:23:10,789 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:23:10,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:10,789 INFO L85 PathProgramCache]: Analyzing trace with hash -793823687, now seen corresponding path program 1 times [2024-11-23 18:23:10,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:10,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802951127] [2024-11-23 18:23:10,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:10,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1857 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 1826 trivial. 0 not checked. [2024-11-23 18:23:14,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:14,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802951127] [2024-11-23 18:23:14,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802951127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:14,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:14,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:23:14,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705714372] [2024-11-23 18:23:14,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:14,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:23:14,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:14,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:23:14,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:14,942 INFO L87 Difference]: Start difference. First operand 16858 states and 24442 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:23:19,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:23:20,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:20,298 INFO L93 Difference]: Finished difference Result 36267 states and 52547 transitions. [2024-11-23 18:23:20,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:23:20,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 361 [2024-11-23 18:23:20,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:20,375 INFO L225 Difference]: With dead ends: 36267 [2024-11-23 18:23:20,375 INFO L226 Difference]: Without dead ends: 21713 [2024-11-23 18:23:20,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:20,415 INFO L435 NwaCegarLoop]: 7385 mSDtfsCounter, 3663 mSDsluCounter, 3776 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3663 SdHoareTripleChecker+Valid, 11161 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-23 18:23:20,415 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3663 Valid, 11161 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-23 18:23:20,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21713 states. [2024-11-23 18:23:21,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21713 to 21651. [2024-11-23 18:23:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21651 states, 16150 states have (on average 1.3479256965944273) internal successors, (21769), 16160 states have internal predecessors, (21769), 4815 states have call successors, (4815), 684 states have call predecessors, (4815), 683 states have return successors, (4811), 4806 states have call predecessors, (4811), 4811 states have call successors, (4811) [2024-11-23 18:23:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21651 states to 21651 states and 31395 transitions. [2024-11-23 18:23:21,668 INFO L78 Accepts]: Start accepts. Automaton has 21651 states and 31395 transitions. Word has length 361 [2024-11-23 18:23:21,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:23:21,669 INFO L471 AbstractCegarLoop]: Abstraction has 21651 states and 31395 transitions. [2024-11-23 18:23:21,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:23:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 21651 states and 31395 transitions. [2024-11-23 18:23:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-11-23 18:23:21,682 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:23:21,682 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 17, 17, 17, 17, 17, 17, 11, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:21,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 18:23:21,683 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:23:21,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:21,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1542568823, now seen corresponding path program 1 times [2024-11-23 18:23:21,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:21,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479922748] [2024-11-23 18:23:21,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:21,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1857 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 1826 trivial. 0 not checked. [2024-11-23 18:23:25,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:25,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479922748] [2024-11-23 18:23:25,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479922748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:25,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:25,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:23:25,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993143515] [2024-11-23 18:23:25,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:25,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:23:25,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:25,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:23:25,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:25,743 INFO L87 Difference]: Start difference. First operand 21651 states and 31395 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:23:29,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:23:31,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:31,081 INFO L93 Difference]: Finished difference Result 45781 states and 66389 transitions. [2024-11-23 18:23:31,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:23:31,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 361 [2024-11-23 18:23:31,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:31,169 INFO L225 Difference]: With dead ends: 45781 [2024-11-23 18:23:31,169 INFO L226 Difference]: Without dead ends: 26434 [2024-11-23 18:23:31,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:31,226 INFO L435 NwaCegarLoop]: 7430 mSDtfsCounter, 3627 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 11207 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:23:31,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3627 Valid, 11207 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-23 18:23:31,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26434 states. [2024-11-23 18:23:32,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26434 to 26430. [2024-11-23 18:23:32,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26430 states, 19723 states have (on average 1.3482735892105664) internal successors, (26592), 19733 states have internal predecessors, (26592), 5873 states have call successors, (5873), 832 states have call predecessors, (5873), 831 states have return successors, (5869), 5864 states have call predecessors, (5869), 5869 states have call successors, (5869) [2024-11-23 18:23:32,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26430 states to 26430 states and 38334 transitions. [2024-11-23 18:23:32,874 INFO L78 Accepts]: Start accepts. Automaton has 26430 states and 38334 transitions. Word has length 361 [2024-11-23 18:23:32,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:23:32,874 INFO L471 AbstractCegarLoop]: Abstraction has 26430 states and 38334 transitions. [2024-11-23 18:23:32,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:23:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 26430 states and 38334 transitions. [2024-11-23 18:23:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-23 18:23:32,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:23:32,884 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 11, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:32,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 18:23:32,884 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:23:32,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:32,885 INFO L85 PathProgramCache]: Analyzing trace with hash -185904538, now seen corresponding path program 1 times [2024-11-23 18:23:32,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:32,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004486906] [2024-11-23 18:23:32,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1662 trivial. 0 not checked. [2024-11-23 18:23:37,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:37,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004486906] [2024-11-23 18:23:37,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004486906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:37,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:37,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:23:37,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678455807] [2024-11-23 18:23:37,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:37,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:23:37,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:37,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:23:37,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:23:37,213 INFO L87 Difference]: Start difference. First operand 26430 states and 38334 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-23 18:23:38,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:38,462 INFO L93 Difference]: Finished difference Result 26436 states and 38339 transitions. [2024-11-23 18:23:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:23:38,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 326 [2024-11-23 18:23:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:38,550 INFO L225 Difference]: With dead ends: 26436 [2024-11-23 18:23:38,550 INFO L226 Difference]: Without dead ends: 26432 [2024-11-23 18:23:38,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:23:38,564 INFO L435 NwaCegarLoop]: 3809 mSDtfsCounter, 3726 mSDsluCounter, 7600 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3727 SdHoareTripleChecker+Valid, 11409 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:23:38,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3727 Valid, 11409 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:23:38,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26432 states. [2024-11-23 18:23:40,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26432 to 26432. [2024-11-23 18:23:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26432 states, 19725 states have (on average 1.348187579214195) internal successors, (26593), 19734 states have internal predecessors, (26593), 5873 states have call successors, (5873), 833 states have call predecessors, (5873), 831 states have return successors, (5869), 5864 states have call predecessors, (5869), 5869 states have call successors, (5869) [2024-11-23 18:23:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26432 states to 26432 states and 38335 transitions. [2024-11-23 18:23:40,370 INFO L78 Accepts]: Start accepts. Automaton has 26432 states and 38335 transitions. Word has length 326 [2024-11-23 18:23:40,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:23:40,371 INFO L471 AbstractCegarLoop]: Abstraction has 26432 states and 38335 transitions. [2024-11-23 18:23:40,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-23 18:23:40,371 INFO L276 IsEmpty]: Start isEmpty. Operand 26432 states and 38335 transitions. [2024-11-23 18:23:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-23 18:23:40,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:23:40,383 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 12, 11, 11, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:40,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 18:23:40,383 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:23:40,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:40,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1733936173, now seen corresponding path program 1 times [2024-11-23 18:23:40,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:40,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195074076] [2024-11-23 18:23:40,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:40,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1724 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2024-11-23 18:23:44,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:44,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195074076] [2024-11-23 18:23:44,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195074076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:44,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:44,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:23:44,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33170839] [2024-11-23 18:23:44,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:44,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:23:44,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:44,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:23:44,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:23:44,952 INFO L87 Difference]: Start difference. First operand 26432 states and 38335 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-23 18:23:46,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:46,294 INFO L93 Difference]: Finished difference Result 26432 states and 38335 transitions. [2024-11-23 18:23:46,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:23:46,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 331 [2024-11-23 18:23:46,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:46,369 INFO L225 Difference]: With dead ends: 26432 [2024-11-23 18:23:46,369 INFO L226 Difference]: Without dead ends: 26291 [2024-11-23 18:23:46,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:23:46,380 INFO L435 NwaCegarLoop]: 3807 mSDtfsCounter, 3722 mSDsluCounter, 7598 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3722 SdHoareTripleChecker+Valid, 11405 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:23:46,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3722 Valid, 11405 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:23:46,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26291 states. [2024-11-23 18:23:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26291 to 21526. [2024-11-23 18:23:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21526 states, 16070 states have (on average 1.3490976975731177) internal successors, (21680), 16073 states have internal predecessors, (21680), 4786 states have call successors, (4786), 668 states have call predecessors, (4786), 668 states have return successors, (4786), 4784 states have call predecessors, (4786), 4786 states have call successors, (4786) [2024-11-23 18:23:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21526 states to 21526 states and 31252 transitions. [2024-11-23 18:23:47,739 INFO L78 Accepts]: Start accepts. Automaton has 21526 states and 31252 transitions. Word has length 331 [2024-11-23 18:23:47,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:23:47,740 INFO L471 AbstractCegarLoop]: Abstraction has 21526 states and 31252 transitions. [2024-11-23 18:23:47,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-23 18:23:47,740 INFO L276 IsEmpty]: Start isEmpty. Operand 21526 states and 31252 transitions. [2024-11-23 18:23:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2024-11-23 18:23:47,750 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:23:47,750 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 17, 17, 17, 17, 17, 17, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:23:47,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 18:23:47,751 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:23:47,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:47,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1495237521, now seen corresponding path program 1 times [2024-11-23 18:23:47,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:47,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943220586] [2024-11-23 18:23:47,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:47,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1837 trivial. 0 not checked. [2024-11-23 18:23:51,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:51,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943220586] [2024-11-23 18:23:51,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943220586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:51,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:51,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:23:51,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785640006] [2024-11-23 18:23:51,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:51,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:23:51,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:51,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:23:51,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:51,769 INFO L87 Difference]: Start difference. First operand 21526 states and 31252 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-23 18:23:55,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:23:57,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:57,953 INFO L93 Difference]: Finished difference Result 50098 states and 72745 transitions. [2024-11-23 18:23:57,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:23:57,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 356 [2024-11-23 18:23:57,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:58,057 INFO L225 Difference]: With dead ends: 50098 [2024-11-23 18:23:58,057 INFO L226 Difference]: Without dead ends: 30876 [2024-11-23 18:23:58,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:23:58,110 INFO L435 NwaCegarLoop]: 7112 mSDtfsCounter, 3429 mSDsluCounter, 3668 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3429 SdHoareTripleChecker+Valid, 10780 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:23:58,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3429 Valid, 10780 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-23 18:23:58,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30876 states. [2024-11-23 18:24:00,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30876 to 30870. [2024-11-23 18:24:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30870 states, 23057 states have (on average 1.350522617860086) internal successors, (31139), 23062 states have internal predecessors, (31139), 6844 states have call successors, (6844), 967 states have call predecessors, (6844), 967 states have return successors, (6844), 6840 states have call predecessors, (6844), 6844 states have call successors, (6844) [2024-11-23 18:24:00,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30870 states to 30870 states and 44827 transitions. [2024-11-23 18:24:00,130 INFO L78 Accepts]: Start accepts. Automaton has 30870 states and 44827 transitions. Word has length 356 [2024-11-23 18:24:00,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:00,130 INFO L471 AbstractCegarLoop]: Abstraction has 30870 states and 44827 transitions. [2024-11-23 18:24:00,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-23 18:24:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 30870 states and 44827 transitions. [2024-11-23 18:24:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-11-23 18:24:00,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:00,147 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:24:00,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 18:24:00,147 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-23 18:24:00,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:00,147 INFO L85 PathProgramCache]: Analyzing trace with hash 812178296, now seen corresponding path program 1 times [2024-11-23 18:24:00,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:00,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253792564] [2024-11-23 18:24:00,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:00,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:04,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-11-23 18:24:04,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:04,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253792564] [2024-11-23 18:24:04,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253792564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:04,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:04,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:24:04,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754094459] [2024-11-23 18:24:04,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:04,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:24:04,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:04,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:24:04,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:24:04,373 INFO L87 Difference]: Start difference. First operand 30870 states and 44827 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-23 18:24:08,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:24:12,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:12,687 INFO L93 Difference]: Finished difference Result 68594 states and 99603 transitions. [2024-11-23 18:24:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:24:12,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (33), 4 states have call predecessors, (33), 3 states have call successors, (33) Word has length 381 [2024-11-23 18:24:12,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:12,794 INFO L225 Difference]: With dead ends: 68594 [2024-11-23 18:24:12,794 INFO L226 Difference]: Without dead ends: 40028 [2024-11-23 18:24:12,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:24:12,848 INFO L435 NwaCegarLoop]: 7112 mSDtfsCounter, 3355 mSDsluCounter, 17865 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3355 SdHoareTripleChecker+Valid, 24977 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:12,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3355 Valid, 24977 Invalid, 126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 18:24:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40028 states.