./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-ethernet-dnet.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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/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-ethernet-dnet.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/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 fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:31:44,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:31:44,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:31:44,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:31:44,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:31:44,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:31:44,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:31:44,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:31:44,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:31:44,720 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:31:44,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:31:44,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:31:44,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:31:44,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:31:44,722 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:31:44,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:31:44,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:31:44,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:31:44,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:31:44,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:31:44,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:31:44,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:31:44,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:31:44,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:31:44,724 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:44,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:31:44,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:44,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:31:44,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:31:44,725 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:31:44,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:31:44,725 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:31:44,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:31:44,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:31:44,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:31:44,727 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:31:44,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:31:44,728 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/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 -> fbb6aba39a63540626ae26255eab93a5f2c0864f87ba11cb320579066e7aefd2 [2024-11-24 00:31:45,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:31:45,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:31:45,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:31:45,112 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:31:45,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:31:45,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-11-24 00:31:48,189 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/data/55b58697e/c52a32513f994ea0ae10f1faa47f7491/FLAGb05017303 [2024-11-24 00:31:48,907 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:31:48,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-11-24 00:31:48,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/data/55b58697e/c52a32513f994ea0ae10f1faa47f7491/FLAGb05017303 [2024-11-24 00:31:48,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/data/55b58697e/c52a32513f994ea0ae10f1faa47f7491 [2024-11-24 00:31:48,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:31:48,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:31:48,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:31:48,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:31:48,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:31:48,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2531f606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48, skipping insertion in model container [2024-11-24 00:31:48,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:49,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:31:51,640 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2024-11-24 00:31:51,647 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2024-11-24 00:31:51,653 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2024-11-24 00:31:51,653 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2024-11-24 00:31:51,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:31:51,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:31:51,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5181] [2024-11-24 00:31:51,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5188] [2024-11-24 00:31:51,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5195] [2024-11-24 00:31:51,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5244] [2024-11-24 00:31:51,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5316] [2024-11-24 00:31:51,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5323] [2024-11-24 00:31:51,906 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 *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5522-5523] [2024-11-24 00:31:51,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5529] [2024-11-24 00:31:52,211 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305216,305229] [2024-11-24 00:31:52,212 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305385,305398] [2024-11-24 00:31:52,212 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305552,305565] [2024-11-24 00:31:52,213 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_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i[305720,305733] [2024-11-24 00:31:52,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:31:52,433 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:31:52,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52 WrapperNode [2024-11-24 00:31:52,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:31:52,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:31:52,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:31:52,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:31:52,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:52,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:52,780 INFO L138 Inliner]: procedures = 410, calls = 2035, calls flagged for inlining = 211, calls inlined = 188, statements flattened = 4788 [2024-11-24 00:31:52,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:31:52,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:31:52,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:31:52,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:31:52,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:52,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:52,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:53,793 INFO L175 MemorySlicer]: Split 898 memory accesses to 23 slices as follows [4, 1, 4, 5, 1, 1, 4, 1, 4, 5, 13, 1, 2, 26, 5, 5, 4, 203, 5, 449, 5, 149, 1]. 50 percent of accesses are in the largest equivalence class. The 224 initializations are split as follows [4, 1, 4, 5, 1, 0, 4, 1, 4, 5, 13, 1, 2, 0, 5, 5, 4, 0, 5, 5, 5, 149, 1]. The 367 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 0, 0, 0, 174, 0, 169, 0, 0, 0]. [2024-11-24 00:31:53,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:53,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:53,943 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:53,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:53,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:54,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:54,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:54,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:31:54,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:31:54,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:31:54,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:31:54,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (1/1) ... [2024-11-24 00:31:54,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:54,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:31:54,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:31:54,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a0409f-476a-4f23-95fa-4f2d3c45bfc0/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:31:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_probe [2024-11-24 00:31:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_probe [2024-11-24 00:31:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 00:31:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 00:31:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:31:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:31:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-24 00:31:54,168 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-24 00:31:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 00:31:54,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 00:31:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-24 00:31:54,168 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-24 00:31:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-11-24 00:31:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-11-24 00:31:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure __dnet_set_hwaddr [2024-11-24 00:31:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __dnet_set_hwaddr [2024-11-24 00:31:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 00:31:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 00:31:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 00:31:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 00:31:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-24 00:31:54,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-24 00:31:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 00:31:54,171 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 00:31:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 00:31:54,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 00:31:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:31:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-24 00:31:54,171 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-24 00:31:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 00:31:54,172 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 00:31:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:31:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 00:31:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-11-24 00:31:54,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:31:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 00:31:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 00:31:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-24 00:31:54,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:31:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 00:31:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_reset_hw [2024-11-24 00:31:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_reset_hw [2024-11-24 00:31:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 00:31:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 00:31:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 00:31:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-24 00:31:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-24 00:31:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 00:31:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 00:31:54,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:31:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:31:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:31:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:31:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:31:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:31:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 00:31:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 00:31:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 00:31:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 00:31:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 00:31:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-24 00:31:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:31:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:31:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:31:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:31:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-24 00:31:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-24 00:31:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 00:31:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 00:31:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 00:31:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 00:31:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-24 00:31:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-24 00:31:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-24 00:31:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-24 00:31:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-24 00:31:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-24 00:31:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:31:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:31:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-24 00:31:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2024-11-24 00:31:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:31:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:31:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:31:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 00:31:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:31:54,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 00:31:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2024-11-24 00:31:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 00:31:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dnet [2024-11-24 00:31:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dnet [2024-11-24 00:31:54,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 00:31:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_readw_mac [2024-11-24 00:31:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_readw_mac [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:31:54,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:31:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:31:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:31:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:31:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 00:31:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 00:31:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-24 00:31:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 00:31:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 00:31:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-24 00:31:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-24 00:31:54,202 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_close [2024-11-24 00:31:54,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_close [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2024-11-24 00:31:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_handle_link_change [2024-11-24 00:31:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_handle_link_change [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 00:31:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 00:31:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_writew_mac [2024-11-24 00:31:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_writew_mac [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-24 00:31:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 00:31:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:31:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-24 00:31:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-24 00:31:54,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 00:31:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 00:31:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_remove [2024-11-24 00:31:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_remove [2024-11-24 00:31:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-24 00:31:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-24 00:31:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure dnet_open [2024-11-24 00:31:54,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dnet_open [2024-11-24 00:31:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure phy_connect [2024-11-24 00:31:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_connect [2024-11-24 00:31:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 00:31:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 00:31:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-24 00:31:54,209 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-24 00:31:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:31:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:31:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:31:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:31:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:31:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 00:31:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 00:31:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-24 00:31:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 00:31:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 00:31:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-11-24 00:31:54,211 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-11-24 00:31:55,239 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:31:55,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:31:56,275 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 00:32:09,672 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 00:32:10,389 INFO L? ?]: Removed 1836 outVars from TransFormulas that were not future-live. [2024-11-24 00:32:10,389 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:32:10,453 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:32:10,456 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 00:32:10,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:32:10 BoogieIcfgContainer [2024-11-24 00:32:10,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:32:10,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:32:10,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:32:10,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:32:10,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:31:48" (1/3) ... [2024-11-24 00:32:10,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d0b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:32:10, skipping insertion in model container [2024-11-24 00:32:10,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:52" (2/3) ... [2024-11-24 00:32:10,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d0b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:32:10, skipping insertion in model container [2024-11-24 00:32:10,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:32:10" (3/3) ... [2024-11-24 00:32:10,471 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i [2024-11-24 00:32:10,494 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:32:10,498 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dnet.cil.i that has 68 procedures, 1577 locations, 1 initial locations, 3 loop locations, and 3 error locations. [2024-11-24 00:32:10,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:32:10,633 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;@24d35ada, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:32:10,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 00:32:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 1575 states, 1137 states have (on average 1.2770448548812665) internal successors, (1452), 1150 states have internal predecessors, (1452), 369 states have call successors, (369), 67 states have call predecessors, (369), 66 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) [2024-11-24 00:32:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 00:32:10,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:10,664 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:10,665 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)] === [2024-11-24 00:32:10,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:10,671 INFO L85 PathProgramCache]: Analyzing trace with hash 418153186, now seen corresponding path program 1 times [2024-11-24 00:32:10,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:10,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725872441] [2024-11-24 00:32:10,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:10,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-24 00:32:15,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:15,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725872441] [2024-11-24 00:32:15,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725872441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:15,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:15,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:15,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158167413] [2024-11-24 00:32:15,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:15,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:15,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:15,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:15,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:15,092 INFO L87 Difference]: Start difference. First operand has 1575 states, 1137 states have (on average 1.2770448548812665) internal successors, (1452), 1150 states have internal predecessors, (1452), 369 states have call successors, (369), 67 states have call predecessors, (369), 66 states have return successors, (362), 360 states have call predecessors, (362), 362 states have call successors, (362) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:32:19,181 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 [] [2024-11-24 00:32:19,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:19,857 INFO L93 Difference]: Finished difference Result 4595 states and 6461 transitions. [2024-11-24 00:32:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:19,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2024-11-24 00:32:19,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:19,910 INFO L225 Difference]: With dead ends: 4595 [2024-11-24 00:32:19,910 INFO L226 Difference]: Without dead ends: 3033 [2024-11-24 00:32:19,928 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 [2024-11-24 00:32:19,932 INFO L435 NwaCegarLoop]: 2187 mSDtfsCounter, 2067 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2067 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:19,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2067 Valid, 4312 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 00:32:19,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3033 states. [2024-11-24 00:32:20,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 3029. [2024-11-24 00:32:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 2208 states have (on average 1.2672101449275361) internal successors, (2798), 2232 states have internal predecessors, (2798), 689 states have call successors, (689), 130 states have call predecessors, (689), 129 states have return successors, (686), 682 states have call predecessors, (686), 686 states have call successors, (686) [2024-11-24 00:32:20,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 4173 transitions. [2024-11-24 00:32:20,426 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 4173 transitions. Word has length 134 [2024-11-24 00:32:20,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:20,427 INFO L471 AbstractCegarLoop]: Abstraction has 3029 states and 4173 transitions. [2024-11-24 00:32:20,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:32:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 4173 transitions. [2024-11-24 00:32:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 00:32:20,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:20,441 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:20,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:32:20,442 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)] === [2024-11-24 00:32:20,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:20,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2122086238, now seen corresponding path program 1 times [2024-11-24 00:32:20,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:20,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19386509] [2024-11-24 00:32:20,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:20,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-24 00:32:23,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:23,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19386509] [2024-11-24 00:32:23,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19386509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:23,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:23,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:23,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485572939] [2024-11-24 00:32:23,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:23,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:23,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:23,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:23,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:23,953 INFO L87 Difference]: Start difference. First operand 3029 states and 4173 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:32:28,007 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 [] [2024-11-24 00:32:28,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:28,510 INFO L93 Difference]: Finished difference Result 8787 states and 12179 transitions. [2024-11-24 00:32:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:28,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 138 [2024-11-24 00:32:28,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:28,564 INFO L225 Difference]: With dead ends: 8787 [2024-11-24 00:32:28,565 INFO L226 Difference]: Without dead ends: 5783 [2024-11-24 00:32:28,583 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 [2024-11-24 00:32:28,584 INFO L435 NwaCegarLoop]: 2442 mSDtfsCounter, 1954 mSDsluCounter, 2112 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:28,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 4554 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 00:32:28,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5783 states. [2024-11-24 00:32:28,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5783 to 5748. [2024-11-24 00:32:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5748 states, 4202 states have (on average 1.2653498334126607) internal successors, (5317), 4252 states have internal predecessors, (5317), 1288 states have call successors, (1288), 258 states have call predecessors, (1288), 255 states have return successors, (1385), 1267 states have call predecessors, (1385), 1285 states have call successors, (1385) [2024-11-24 00:32:29,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5748 states to 5748 states and 7990 transitions. [2024-11-24 00:32:29,016 INFO L78 Accepts]: Start accepts. Automaton has 5748 states and 7990 transitions. Word has length 138 [2024-11-24 00:32:29,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:29,017 INFO L471 AbstractCegarLoop]: Abstraction has 5748 states and 7990 transitions. [2024-11-24 00:32:29,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:32:29,018 INFO L276 IsEmpty]: Start isEmpty. Operand 5748 states and 7990 transitions. [2024-11-24 00:32:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-24 00:32:29,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:29,025 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:29,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:32:29,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2024-11-24 00:32:29,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash 957104565, now seen corresponding path program 1 times [2024-11-24 00:32:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:29,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222686310] [2024-11-24 00:32:29,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:29,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-24 00:32:32,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:32,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222686310] [2024-11-24 00:32:32,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222686310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:32,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:32,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:32,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445633379] [2024-11-24 00:32:32,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:32,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:32,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:32,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:32,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:32,807 INFO L87 Difference]: Start difference. First operand 5748 states and 7990 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:32:36,859 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 [] [2024-11-24 00:32:38,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:38,011 INFO L93 Difference]: Finished difference Result 16374 states and 22698 transitions. [2024-11-24 00:32:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:38,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 145 [2024-11-24 00:32:38,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:38,087 INFO L225 Difference]: With dead ends: 16374 [2024-11-24 00:32:38,087 INFO L226 Difference]: Without dead ends: 10651 [2024-11-24 00:32:38,114 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 [2024-11-24 00:32:38,117 INFO L435 NwaCegarLoop]: 2391 mSDtfsCounter, 1796 mSDsluCounter, 2051 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:38,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 4442 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-24 00:32:38,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10651 states. [2024-11-24 00:32:38,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10651 to 10612. [2024-11-24 00:32:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10612 states, 7712 states have (on average 1.2547977178423237) internal successors, (9677), 7818 states have internal predecessors, (9677), 2400 states have call successors, (2400), 502 states have call predecessors, (2400), 497 states have return successors, (2503), 2351 states have call predecessors, (2503), 2397 states have call successors, (2503) [2024-11-24 00:32:38,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10612 states to 10612 states and 14580 transitions. [2024-11-24 00:32:38,838 INFO L78 Accepts]: Start accepts. Automaton has 10612 states and 14580 transitions. Word has length 145 [2024-11-24 00:32:38,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:38,839 INFO L471 AbstractCegarLoop]: Abstraction has 10612 states and 14580 transitions. [2024-11-24 00:32:38,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:32:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 10612 states and 14580 transitions. [2024-11-24 00:32:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 00:32:38,844 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:38,845 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:32:38,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:32:38,845 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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)] === [2024-11-24 00:32:38,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:38,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1677272146, now seen corresponding path program 1 times [2024-11-24 00:32:38,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:38,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943326586] [2024-11-24 00:32:38,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:38,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-24 00:32:42,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:42,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943326586] [2024-11-24 00:32:42,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943326586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:42,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:42,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:42,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364851427] [2024-11-24 00:32:42,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:42,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:42,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:42,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:42,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:42,007 INFO L87 Difference]: Start difference. First operand 10612 states and 14580 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:32:46,062 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 [] [2024-11-24 00:32:47,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:47,063 INFO L93 Difference]: Finished difference Result 28500 states and 39268 transitions. [2024-11-24 00:32:47,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:47,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 153 [2024-11-24 00:32:47,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:47,227 INFO L225 Difference]: With dead ends: 28500 [2024-11-24 00:32:47,227 INFO L226 Difference]: Without dead ends: 17913 [2024-11-24 00:32:47,285 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 [2024-11-24 00:32:47,288 INFO L435 NwaCegarLoop]: 2160 mSDtfsCounter, 1599 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:47,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 4233 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 00:32:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17913 states. [2024-11-24 00:32:48,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17913 to 17866. [2024-11-24 00:32:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17866 states, 12972 states have (on average 1.2495374653098983) internal successors, (16209), 13174 states have internal predecessors, (16209), 3952 states have call successors, (3952), 956 states have call predecessors, (3952), 939 states have return successors, (4467), 3827 states have call predecessors, (4467), 3949 states have call successors, (4467) [2024-11-24 00:32:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17866 states to 17866 states and 24628 transitions. [2024-11-24 00:32:48,379 INFO L78 Accepts]: Start accepts. Automaton has 17866 states and 24628 transitions. Word has length 153 [2024-11-24 00:32:48,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:48,381 INFO L471 AbstractCegarLoop]: Abstraction has 17866 states and 24628 transitions. [2024-11-24 00:32:48,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 00:32:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 17866 states and 24628 transitions. [2024-11-24 00:32:48,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-24 00:32:48,389 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:48,390 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 10, 10, 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] [2024-11-24 00:32:48,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:32:48,390 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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)] === [2024-11-24 00:32:48,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:48,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1093772875, now seen corresponding path program 1 times [2024-11-24 00:32:48,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:48,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108927143] [2024-11-24 00:32:48,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:48,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-11-24 00:32:51,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:51,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108927143] [2024-11-24 00:32:51,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108927143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:51,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:51,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:51,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469435877] [2024-11-24 00:32:51,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:51,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:51,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:51,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:51,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:51,218 INFO L87 Difference]: Start difference. First operand 17866 states and 24628 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 00:32:55,271 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 [] [2024-11-24 00:32:56,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:32:56,214 INFO L93 Difference]: Finished difference Result 33707 states and 46494 transitions. [2024-11-24 00:32:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:32:56,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 169 [2024-11-24 00:32:56,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:32:56,318 INFO L225 Difference]: With dead ends: 33707 [2024-11-24 00:32:56,319 INFO L226 Difference]: Without dead ends: 15866 [2024-11-24 00:32:56,384 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 [2024-11-24 00:32:56,384 INFO L435 NwaCegarLoop]: 3692 mSDtfsCounter, 2006 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 5785 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:32:56,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 5785 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 00:32:56,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15866 states. [2024-11-24 00:32:57,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15866 to 15834. [2024-11-24 00:32:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15834 states, 11580 states have (on average 1.2455958549222799) internal successors, (14424), 11769 states have internal predecessors, (14424), 3420 states have call successors, (3420), 844 states have call predecessors, (3420), 831 states have return successors, (3909), 3302 states have call predecessors, (3909), 3417 states have call successors, (3909) [2024-11-24 00:32:57,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15834 states to 15834 states and 21753 transitions. [2024-11-24 00:32:57,151 INFO L78 Accepts]: Start accepts. Automaton has 15834 states and 21753 transitions. Word has length 169 [2024-11-24 00:32:57,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:32:57,151 INFO L471 AbstractCegarLoop]: Abstraction has 15834 states and 21753 transitions. [2024-11-24 00:32:57,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 00:32:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 15834 states and 21753 transitions. [2024-11-24 00:32:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-24 00:32:57,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:32:57,158 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2024-11-24 00:32:57,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:32:57,158 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)] === [2024-11-24 00:32:57,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:32:57,159 INFO L85 PathProgramCache]: Analyzing trace with hash 657378656, now seen corresponding path program 1 times [2024-11-24 00:32:57,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:32:57,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154502592] [2024-11-24 00:32:57,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:32:57,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:32:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:32:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2024-11-24 00:32:59,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:32:59,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154502592] [2024-11-24 00:32:59,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154502592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:32:59,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:32:59,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:32:59,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950730431] [2024-11-24 00:32:59,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:32:59,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:32:59,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:32:59,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:32:59,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:32:59,677 INFO L87 Difference]: Start difference. First operand 15834 states and 21753 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, (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) [2024-11-24 00:33:03,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:33:04,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:04,916 INFO L93 Difference]: Finished difference Result 46625 states and 64144 transitions. [2024-11-24 00:33:04,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:33:04,917 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, (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 186 [2024-11-24 00:33:04,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:05,147 INFO L225 Difference]: With dead ends: 46625 [2024-11-24 00:33:05,147 INFO L226 Difference]: Without dead ends: 30885 [2024-11-24 00:33:05,216 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 [2024-11-24 00:33:05,216 INFO L435 NwaCegarLoop]: 2274 mSDtfsCounter, 2066 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:05,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 4395 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-24 00:33:05,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30885 states. [2024-11-24 00:33:06,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30885 to 30863. [2024-11-24 00:33:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30863 states, 22624 states have (on average 1.2476573550212164) internal successors, (28227), 22960 states have internal predecessors, (28227), 6623 states have call successors, (6623), 1638 states have call predecessors, (6623), 1613 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-24 00:33:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30863 states to 30863 states and 42454 transitions. [2024-11-24 00:33:07,253 INFO L78 Accepts]: Start accepts. Automaton has 30863 states and 42454 transitions. Word has length 186 [2024-11-24 00:33:07,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:07,254 INFO L471 AbstractCegarLoop]: Abstraction has 30863 states and 42454 transitions. [2024-11-24 00:33:07,254 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, (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) [2024-11-24 00:33:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 30863 states and 42454 transitions. [2024-11-24 00:33:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-24 00:33:07,260 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:07,260 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2024-11-24 00:33:07,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:33:07,260 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)] === [2024-11-24 00:33:07,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:07,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1080080482, now seen corresponding path program 1 times [2024-11-24 00:33:07,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:07,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207782568] [2024-11-24 00:33:07,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:07,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-24 00:33:10,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:10,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207782568] [2024-11-24 00:33:10,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207782568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:10,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:10,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:33:10,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068624303] [2024-11-24 00:33:10,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:10,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:33:10,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:10,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:33:10,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:33:10,964 INFO L87 Difference]: Start difference. First operand 30863 states and 42454 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:33:12,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:12,218 INFO L93 Difference]: Finished difference Result 30869 states and 42459 transitions. [2024-11-24 00:33:12,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:33:12,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2024-11-24 00:33:12,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:12,440 INFO L225 Difference]: With dead ends: 30869 [2024-11-24 00:33:12,441 INFO L226 Difference]: Without dead ends: 30867 [2024-11-24 00:33:12,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:33:12,468 INFO L435 NwaCegarLoop]: 2144 mSDtfsCounter, 2098 mSDsluCounter, 4275 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 6419 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:12,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 6419 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:33:12,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30867 states. [2024-11-24 00:33:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30867 to 30867. [2024-11-24 00:33:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30867 states, 22627 states have (on average 1.2476245193795024) internal successors, (28230), 22963 states have internal predecessors, (28230), 6623 states have call successors, (6623), 1639 states have call predecessors, (6623), 1614 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-24 00:33:14,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30867 states to 30867 states and 42457 transitions. [2024-11-24 00:33:14,286 INFO L78 Accepts]: Start accepts. Automaton has 30867 states and 42457 transitions. Word has length 186 [2024-11-24 00:33:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:14,292 INFO L471 AbstractCegarLoop]: Abstraction has 30867 states and 42457 transitions. [2024-11-24 00:33:14,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:33:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 30867 states and 42457 transitions. [2024-11-24 00:33:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-24 00:33:14,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:14,297 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2024-11-24 00:33:14,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:33:14,297 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)] === [2024-11-24 00:33:14,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:14,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1124678163, now seen corresponding path program 1 times [2024-11-24 00:33:14,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:14,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835887980] [2024-11-24 00:33:14,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:14,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-24 00:33:18,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:18,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835887980] [2024-11-24 00:33:18,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835887980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:18,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:18,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:33:18,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347268445] [2024-11-24 00:33:18,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:18,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:33:18,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:18,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:33:18,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:33:18,340 INFO L87 Difference]: Start difference. First operand 30867 states and 42457 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 00:33:19,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:19,476 INFO L93 Difference]: Finished difference Result 30873 states and 42462 transitions. [2024-11-24 00:33:19,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:33:19,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2024-11-24 00:33:19,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:19,665 INFO L225 Difference]: With dead ends: 30873 [2024-11-24 00:33:19,665 INFO L226 Difference]: Without dead ends: 30871 [2024-11-24 00:33:19,690 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 [2024-11-24 00:33:19,692 INFO L435 NwaCegarLoop]: 2147 mSDtfsCounter, 2094 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 6423 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:19,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 6423 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:33:19,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30871 states. [2024-11-24 00:33:21,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30871 to 30871. [2024-11-24 00:33:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30871 states, 22630 states have (on average 1.2475916924436588) internal successors, (28233), 22966 states have internal predecessors, (28233), 6623 states have call successors, (6623), 1640 states have call predecessors, (6623), 1615 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-24 00:33:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30871 states to 30871 states and 42460 transitions. [2024-11-24 00:33:21,429 INFO L78 Accepts]: Start accepts. Automaton has 30871 states and 42460 transitions. Word has length 191 [2024-11-24 00:33:21,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:21,430 INFO L471 AbstractCegarLoop]: Abstraction has 30871 states and 42460 transitions. [2024-11-24 00:33:21,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 00:33:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 30871 states and 42460 transitions. [2024-11-24 00:33:21,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-24 00:33:21,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:21,436 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 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] [2024-11-24 00:33:21,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:33:21,437 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)] === [2024-11-24 00:33:21,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:21,437 INFO L85 PathProgramCache]: Analyzing trace with hash -122669374, now seen corresponding path program 1 times [2024-11-24 00:33:21,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:21,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296667465] [2024-11-24 00:33:21,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:21,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:25,252 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2024-11-24 00:33:25,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:25,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296667465] [2024-11-24 00:33:25,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296667465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:25,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:25,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:33:25,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230944963] [2024-11-24 00:33:25,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:25,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:33:25,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:25,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:33:25,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:33:25,257 INFO L87 Difference]: Start difference. First operand 30871 states and 42460 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:33:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:26,836 INFO L93 Difference]: Finished difference Result 30877 states and 42465 transitions. [2024-11-24 00:33:26,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:33:26,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2024-11-24 00:33:26,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:27,016 INFO L225 Difference]: With dead ends: 30877 [2024-11-24 00:33:27,017 INFO L226 Difference]: Without dead ends: 30875 [2024-11-24 00:33:27,032 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 [2024-11-24 00:33:27,035 INFO L435 NwaCegarLoop]: 2147 mSDtfsCounter, 2093 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 6423 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:27,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2094 Valid, 6423 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:33:27,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30875 states. [2024-11-24 00:33:28,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30875 to 30875. [2024-11-24 00:33:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30875 states, 22633 states have (on average 1.247558874210224) internal successors, (28236), 22969 states have internal predecessors, (28236), 6623 states have call successors, (6623), 1641 states have call predecessors, (6623), 1616 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-24 00:33:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30875 states to 30875 states and 42463 transitions. [2024-11-24 00:33:29,085 INFO L78 Accepts]: Start accepts. Automaton has 30875 states and 42463 transitions. Word has length 196 [2024-11-24 00:33:29,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:29,086 INFO L471 AbstractCegarLoop]: Abstraction has 30875 states and 42463 transitions. [2024-11-24 00:33:29,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 00:33:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 30875 states and 42463 transitions. [2024-11-24 00:33:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-24 00:33:29,092 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:29,093 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 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] [2024-11-24 00:33:29,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:33:29,093 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)] === [2024-11-24 00:33:29,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:29,094 INFO L85 PathProgramCache]: Analyzing trace with hash 180610867, now seen corresponding path program 1 times [2024-11-24 00:33:29,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:29,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325674230] [2024-11-24 00:33:29,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2024-11-24 00:33:32,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:32,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325674230] [2024-11-24 00:33:32,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325674230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:32,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:32,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:33:32,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999651852] [2024-11-24 00:33:32,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:32,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:33:32,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:32,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:33:32,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:33:32,962 INFO L87 Difference]: Start difference. First operand 30875 states and 42463 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:33:34,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:34,894 INFO L93 Difference]: Finished difference Result 30881 states and 42468 transitions. [2024-11-24 00:33:34,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:33:34,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2024-11-24 00:33:34,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:35,077 INFO L225 Difference]: With dead ends: 30881 [2024-11-24 00:33:35,077 INFO L226 Difference]: Without dead ends: 30879 [2024-11-24 00:33:35,096 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 [2024-11-24 00:33:35,097 INFO L435 NwaCegarLoop]: 2147 mSDtfsCounter, 2092 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2093 SdHoareTripleChecker+Valid, 6423 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:35,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2093 Valid, 6423 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:33:35,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30879 states. [2024-11-24 00:33:36,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30879 to 30879. [2024-11-24 00:33:36,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30879 states, 22636 states have (on average 1.2475260646757378) internal successors, (28239), 22972 states have internal predecessors, (28239), 6623 states have call successors, (6623), 1642 states have call predecessors, (6623), 1617 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-24 00:33:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30879 states to 30879 states and 42466 transitions. [2024-11-24 00:33:36,597 INFO L78 Accepts]: Start accepts. Automaton has 30879 states and 42466 transitions. Word has length 201 [2024-11-24 00:33:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:36,597 INFO L471 AbstractCegarLoop]: Abstraction has 30879 states and 42466 transitions. [2024-11-24 00:33:36,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 00:33:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 30879 states and 42466 transitions. [2024-11-24 00:33:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-24 00:33:36,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:36,602 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 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] [2024-11-24 00:33:36,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:33:36,602 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)] === [2024-11-24 00:33:36,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:36,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1651436834, now seen corresponding path program 1 times [2024-11-24 00:33:36,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:36,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665961350] [2024-11-24 00:33:36,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:36,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2024-11-24 00:33:40,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665961350] [2024-11-24 00:33:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665961350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:40,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:33:40,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479642564] [2024-11-24 00:33:40,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:40,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:33:40,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:40,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:33:40,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:33:40,608 INFO L87 Difference]: Start difference. First operand 30879 states and 42466 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-24 00:33:42,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:42,021 INFO L93 Difference]: Finished difference Result 30885 states and 42471 transitions. [2024-11-24 00:33:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:33:42,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2024-11-24 00:33:42,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:42,221 INFO L225 Difference]: With dead ends: 30885 [2024-11-24 00:33:42,221 INFO L226 Difference]: Without dead ends: 30883 [2024-11-24 00:33:42,250 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 [2024-11-24 00:33:42,252 INFO L435 NwaCegarLoop]: 2147 mSDtfsCounter, 2091 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 6423 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:42,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 6423 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:33:42,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30883 states. [2024-11-24 00:33:43,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30883 to 30883. [2024-11-24 00:33:43,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30883 states, 22639 states have (on average 1.247493263836742) internal successors, (28242), 22975 states have internal predecessors, (28242), 6623 states have call successors, (6623), 1643 states have call predecessors, (6623), 1618 states have return successors, (7604), 6428 states have call predecessors, (7604), 6620 states have call successors, (7604) [2024-11-24 00:33:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30883 states to 30883 states and 42469 transitions. [2024-11-24 00:33:43,914 INFO L78 Accepts]: Start accepts. Automaton has 30883 states and 42469 transitions. Word has length 206 [2024-11-24 00:33:43,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:43,914 INFO L471 AbstractCegarLoop]: Abstraction has 30883 states and 42469 transitions. [2024-11-24 00:33:43,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-24 00:33:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 30883 states and 42469 transitions. [2024-11-24 00:33:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-24 00:33:43,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:43,917 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 6, 5, 5, 4, 4, 4, 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] [2024-11-24 00:33:43,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:33:43,917 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)] === [2024-11-24 00:33:43,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:43,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1037196371, now seen corresponding path program 1 times [2024-11-24 00:33:43,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:43,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22763328] [2024-11-24 00:33:43,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:43,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-24 00:33:46,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:46,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22763328] [2024-11-24 00:33:46,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22763328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:46,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:46,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:33:46,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935427738] [2024-11-24 00:33:46,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:46,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:33:46,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:46,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:33:46,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:33:46,390 INFO L87 Difference]: Start difference. First operand 30883 states and 42469 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)