./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-qlogic-qla3xxx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1 --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 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:41:18,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:41:18,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:41:18,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:41:18,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:41:18,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:41:18,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:41:18,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:41:18,668 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:41:18,668 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:41:18,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:41:18,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:41:18,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:41:18,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:41:18,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:41:18,670 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:18,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:41:18,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:18,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:41:18,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:41:18,671 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_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1 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 -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2024-12-02 15:41:18,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:41:18,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:41:18,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:41:18,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:41:18,932 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:41:18,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2024-12-02 15:41:21,557 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/data/e163b0c12/40976376099b4d6587bde7e2589c7653/FLAG230cf9fbe [2024-12-02 15:41:22,075 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:41:22,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2024-12-02 15:41:22,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/data/e163b0c12/40976376099b4d6587bde7e2589c7653/FLAG230cf9fbe [2024-12-02 15:41:22,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/data/e163b0c12/40976376099b4d6587bde7e2589c7653 [2024-12-02 15:41:22,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:41:22,632 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:41:22,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:41:22,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:41:22,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:41:22,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:41:22" (1/1) ... [2024-12-02 15:41:22,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae797e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:22, skipping insertion in model container [2024-12-02 15:41:22,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:41:22" (1/1) ... [2024-12-02 15:41:22,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:41:25,803 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_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2024-12-02 15:41:25,805 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_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2024-12-02 15:41:25,806 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_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2024-12-02 15:41:25,806 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_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2024-12-02 15:41:25,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:41:25,876 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:41:25,945 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"); [5595] [2024-12-02 15:41:25,946 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)); [5602] [2024-12-02 15:41:25,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5609] [2024-12-02 15:41:25,948 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5648-5649] [2024-12-02 15:41:25,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5654-5656] [2024-12-02 15:41:25,949 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; incl %0": "+m" (v->counter)); [5683] [2024-12-02 15:41:25,949 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; decl %0": "+m" (v->counter)); [5690] [2024-12-02 15:41:25,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5850] [2024-12-02 15:41:25,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5857] [2024-12-02 15:41:25,957 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5988-5989] [2024-12-02 15:41:25,959 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/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6022-6023] [2024-12-02 15:41:25,960 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/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6063-6064] [2024-12-02 15:41:25,961 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/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6092-6093] [2024-12-02 15:41:25,969 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)); [6445-6446] [2024-12-02 15:41:25,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6452] [2024-12-02 15:41:26,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9125] [2024-12-02 15:41:26,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9187] [2024-12-02 15:41:26,055 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9315] [2024-12-02 15:41:26,056 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb2->data) [9372] [2024-12-02 15:41:26,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2024-12-02 15:41:26,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9863] [2024-12-02 15:41:26,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9870] [2024-12-02 15:41:26,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9894] [2024-12-02 15:41:26,174 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_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2024-12-02 15:41:26,175 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_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2024-12-02 15:41:26,175 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_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2024-12-02 15:41:26,175 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_f777bcb9-0098-4caa-8526-40ee1ead275f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2024-12-02 15:41:26,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:41:26,347 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:41:26,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26 WrapperNode [2024-12-02 15:41:26,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:41:26,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:41:26,349 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:41:26,349 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:41:26,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:26,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:26,634 INFO L138 Inliner]: procedures = 571, calls = 3092, calls flagged for inlining = 288, calls inlined = 256, statements flattened = 7909 [2024-12-02 15:41:26,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:41:26,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:41:26,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:41:26,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:41:26,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:26,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:26,668 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:27,802 INFO L175 MemorySlicer]: Split 1215 memory accesses to 33 slices as follows [8, 1, 8, 2, 8, 8, 47, 7, 18, 7, 17, 7, 5, 6, 5, 4, 54, 3, 2, 2, 2, 2, 4, 4, 28, 8, 2, 3, 2, 1, 8, 924, 8]. 76 percent of accesses are in the largest equivalence class. The 160 initializations are split as follows [8, 1, 8, 2, 8, 8, 0, 7, 0, 7, 2, 7, 5, 6, 5, 4, 0, 1, 2, 0, 0, 0, 4, 4, 28, 8, 0, 3, 0, 0, 8, 16, 8]. The 424 writes are split as follows [0, 0, 0, 0, 0, 0, 16, 0, 14, 0, 0, 0, 0, 0, 0, 0, 42, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 347, 0]. [2024-12-02 15:41:27,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:27,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:27,949 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:27,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:27,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:28,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:28,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:28,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:41:28,107 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:41:28,107 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:41:28,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:41:28,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (1/1) ... [2024-12-02 15:41:28,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:28,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:41:28,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:41:28,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:41:28,170 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2024-12-02 15:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2024-12-02 15:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2024-12-02 15:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2024-12-02 15:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 15:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 15:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 15:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 15:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2024-12-02 15:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2024-12-02 15:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2024-12-02 15:41:28,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2024-12-02 15:41:28,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:41:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:41:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 15:41:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 15:41:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2024-12-02 15:41:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2024-12-02 15:41:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:41:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:41:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2024-12-02 15:41:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2024-12-02 15:41:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2024-12-02 15:41:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2024-12-02 15:41:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 15:41:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 15:41:28,172 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 15:41:28,172 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-12-02 15:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2024-12-02 15:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2024-12-02 15:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-12-02 15:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 15:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 15:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2024-12-02 15:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2024-12-02 15:41:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2024-12-02 15:41:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 15:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 15:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2024-12-02 15:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2024-12-02 15:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 15:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 15:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 15:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 15:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2024-12-02 15:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2024-12-02 15:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 15:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 15:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 15:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 15:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 15:41:28,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 15:41:28,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 15:41:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2024-12-02 15:41:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2024-12-02 15:41:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 15:41:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 15:41:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2024-12-02 15:41:28,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:41:28,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-02 15:41:28,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#31 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#32 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 15:41:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 15:41:28,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:41:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-02 15:41:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#31 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#32 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 15:41:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2024-12-02 15:41:28,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:41:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-02 15:41:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#31 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#32 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 15:41:28,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 15:41:28,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#31 [2024-12-02 15:41:28,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#32 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 15:41:28,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#31 [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#32 [2024-12-02 15:41:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 15:41:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 15:41:28,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 15:41:28,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2024-12-02 15:41:28,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2024-12-02 15:41:28,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 15:41:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:41:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 15:41:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#31 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#32 [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2024-12-02 15:41:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:41:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2024-12-02 15:41:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:41:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2024-12-02 15:41:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-12-02 15:41:28,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-12-02 15:41:28,188 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 15:41:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 15:41:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 15:41:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:41:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2024-12-02 15:41:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 15:41:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2024-12-02 15:41:28,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:41:28,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:41:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:41:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:41:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:41:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:41:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:41:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 15:41:28,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#31 [2024-12-02 15:41:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#32 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 15:41:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#31 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#32 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:41:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 15:41:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:41:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 15:41:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 15:41:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2024-12-02 15:41:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2024-12-02 15:41:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-12-02 15:41:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 15:41:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2024-12-02 15:41:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 15:41:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2024-12-02 15:41:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 15:41:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-12-02 15:41:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#31 [2024-12-02 15:41:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#32 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 15:41:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#31 [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#32 [2024-12-02 15:41:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2024-12-02 15:41:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2024-12-02 15:41:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 15:41:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 15:41:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-12-02 15:41:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2024-12-02 15:41:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 15:41:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-12-02 15:41:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 15:41:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:41:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-02 15:41:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#31 [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#32 [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 15:41:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2024-12-02 15:41:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2024-12-02 15:41:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2024-12-02 15:41:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:41:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:41:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:41:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 15:41:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#31 [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#32 [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:41:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2024-12-02 15:41:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2024-12-02 15:41:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 15:41:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2024-12-02 15:41:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2024-12-02 15:41:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2024-12-02 15:41:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2024-12-02 15:41:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2024-12-02 15:41:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 15:41:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 15:41:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-12-02 15:41:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2024-12-02 15:41:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 15:41:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:41:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#31 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#32 [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2024-12-02 15:41:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2024-12-02 15:41:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 15:41:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 15:41:29,313 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:41:29,317 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:41:41,482 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 15:41:42,522 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:41:49,155 INFO L? ?]: Removed 3681 outVars from TransFormulas that were not future-live. [2024-12-02 15:41:49,155 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:41:49,203 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:41:49,203 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 15:41:49,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:49 BoogieIcfgContainer [2024-12-02 15:41:49,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:41:49,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:41:49,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:41:49,210 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:41:49,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:41:22" (1/3) ... [2024-12-02 15:41:49,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf18e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:41:49, skipping insertion in model container [2024-12-02 15:41:49,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:26" (2/3) ... [2024-12-02 15:41:49,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf18e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:41:49, skipping insertion in model container [2024-12-02 15:41:49,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:49" (3/3) ... [2024-12-02 15:41:49,212 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2024-12-02 15:41:49,226 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:41:49,229 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i that has 206 procedures, 3492 locations, 1 initial locations, 99 loop locations, and 3 error locations. [2024-12-02 15:41:49,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:41:49,348 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;@4cc5f4fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:41:49,348 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 15:41:49,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 3202 states, 2248 states have (on average 1.3202846975088969) internal successors, (2968), 2297 states have internal predecessors, (2968), 811 states have call successors, (811), 141 states have call predecessors, (811), 140 states have return successors, (806), 792 states have call predecessors, (806), 806 states have call successors, (806) [2024-12-02 15:41:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:41:49,372 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:49,373 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:49,374 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:41:49,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:49,379 INFO L85 PathProgramCache]: Analyzing trace with hash 11564096, now seen corresponding path program 1 times [2024-12-02 15:41:49,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:41:49,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780726145] [2024-12-02 15:41:49,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:49,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:41:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:41:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:41:53,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:41:53,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780726145] [2024-12-02 15:41:53,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780726145] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:41:53,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:41:53,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:41:53,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006619939] [2024-12-02 15:41:53,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:41:53,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:41:53,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:41:54,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:41:54,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:54,007 INFO L87 Difference]: Start difference. First operand has 3202 states, 2248 states have (on average 1.3202846975088969) internal successors, (2968), 2297 states have internal predecessors, (2968), 811 states have call successors, (811), 141 states have call predecessors, (811), 140 states have return successors, (806), 792 states have call predecessors, (806), 806 states have call successors, (806) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:41:58,062 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 [] [2024-12-02 15:41:58,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:41:58,602 INFO L93 Difference]: Finished difference Result 9489 states and 14168 transitions. [2024-12-02 15:41:58,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:41:58,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2024-12-02 15:41:58,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:41:58,661 INFO L225 Difference]: With dead ends: 9489 [2024-12-02 15:41:58,661 INFO L226 Difference]: Without dead ends: 6298 [2024-12-02 15:41:58,691 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 [2024-12-02 15:41:58,693 INFO L435 NwaCegarLoop]: 4548 mSDtfsCounter, 4432 mSDsluCounter, 4486 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4432 SdHoareTripleChecker+Valid, 9034 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:41:58,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4432 Valid, 9034 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 15:41:58,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6298 states. [2024-12-02 15:41:59,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6298 to 6294. [2024-12-02 15:41:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6294 states, 4436 states have (on average 1.2971145175834085) internal successors, (5754), 4532 states have internal predecessors, (5754), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1575), 1547 states have call predecessors, (1575), 1575 states have call successors, (1575) [2024-12-02 15:41:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6294 states to 6294 states and 8907 transitions. [2024-12-02 15:41:59,092 INFO L78 Accepts]: Start accepts. Automaton has 6294 states and 8907 transitions. Word has length 112 [2024-12-02 15:41:59,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:41:59,093 INFO L471 AbstractCegarLoop]: Abstraction has 6294 states and 8907 transitions. [2024-12-02 15:41:59,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:41:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 6294 states and 8907 transitions. [2024-12-02 15:41:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:41:59,098 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:59,098 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:41:59,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:41:59,099 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:41:59,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:59,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1644962802, now seen corresponding path program 1 times [2024-12-02 15:41:59,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:41:59,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901071000] [2024-12-02 15:41:59,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:42:03,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:03,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901071000] [2024-12-02 15:42:03,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901071000] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:03,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:03,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:03,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565612571] [2024-12-02 15:42:03,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:03,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:03,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:03,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:03,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:03,119 INFO L87 Difference]: Start difference. First operand 6294 states and 8907 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 15:42:07,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:42:08,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:08,083 INFO L93 Difference]: Finished difference Result 11443 states and 16042 transitions. [2024-12-02 15:42:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:08,083 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 117 [2024-12-02 15:42:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:08,114 INFO L225 Difference]: With dead ends: 11443 [2024-12-02 15:42:08,114 INFO L226 Difference]: Without dead ends: 5170 [2024-12-02 15:42:08,135 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 [2024-12-02 15:42:08,136 INFO L435 NwaCegarLoop]: 4603 mSDtfsCounter, 1343 mSDsluCounter, 4446 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 9049 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:08,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 9049 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:42:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5170 states. [2024-12-02 15:42:08,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5170 to 5144. [2024-12-02 15:42:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5144 states, 3635 states have (on average 1.2803301237964237) internal successors, (4654), 3700 states have internal predecessors, (4654), 1223 states have call successors, (1223), 284 states have call predecessors, (1223), 283 states have return successors, (1220), 1203 states have call predecessors, (1220), 1220 states have call successors, (1220) [2024-12-02 15:42:08,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5144 states to 5144 states and 7097 transitions. [2024-12-02 15:42:08,322 INFO L78 Accepts]: Start accepts. Automaton has 5144 states and 7097 transitions. Word has length 117 [2024-12-02 15:42:08,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:08,322 INFO L471 AbstractCegarLoop]: Abstraction has 5144 states and 7097 transitions. [2024-12-02 15:42:08,322 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 15:42:08,323 INFO L276 IsEmpty]: Start isEmpty. Operand 5144 states and 7097 transitions. [2024-12-02 15:42:08,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 15:42:08,325 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:08,325 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:42:08,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:42:08,325 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:42:08,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:08,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1452024136, now seen corresponding path program 1 times [2024-12-02 15:42:08,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:08,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914031472] [2024-12-02 15:42:08,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:08,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:42:12,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:12,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914031472] [2024-12-02 15:42:12,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914031472] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:12,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:12,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:12,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823358324] [2024-12-02 15:42:12,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:12,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:12,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:12,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:12,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:12,341 INFO L87 Difference]: Start difference. First operand 5144 states and 7097 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 15:42:16,409 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 [] [2024-12-02 15:42:16,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:16,961 INFO L93 Difference]: Finished difference Result 13981 states and 19332 transitions. [2024-12-02 15:42:16,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:16,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 120 [2024-12-02 15:42:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:17,035 INFO L225 Difference]: With dead ends: 13981 [2024-12-02 15:42:17,035 INFO L226 Difference]: Without dead ends: 8858 [2024-12-02 15:42:17,122 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 [2024-12-02 15:42:17,123 INFO L435 NwaCegarLoop]: 5147 mSDtfsCounter, 4364 mSDsluCounter, 4262 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4364 SdHoareTripleChecker+Valid, 9409 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:17,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4364 Valid, 9409 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 15:42:17,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8858 states. [2024-12-02 15:42:17,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8858 to 8824. [2024-12-02 15:42:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8824 states, 6265 states have (on average 1.2841181165203512) internal successors, (8045), 6383 states have internal predecessors, (8045), 2074 states have call successors, (2074), 487 states have call predecessors, (2074), 482 states have return successors, (2090), 2028 states have call predecessors, (2090), 2071 states have call successors, (2090) [2024-12-02 15:42:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8824 states to 8824 states and 12209 transitions. [2024-12-02 15:42:17,541 INFO L78 Accepts]: Start accepts. Automaton has 8824 states and 12209 transitions. Word has length 120 [2024-12-02 15:42:17,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:17,541 INFO L471 AbstractCegarLoop]: Abstraction has 8824 states and 12209 transitions. [2024-12-02 15:42:17,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 15:42:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 8824 states and 12209 transitions. [2024-12-02 15:42:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:42:17,544 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:17,544 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:42:17,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:42:17,545 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:42:17,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:17,545 INFO L85 PathProgramCache]: Analyzing trace with hash -541739423, now seen corresponding path program 1 times [2024-12-02 15:42:17,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:17,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162872118] [2024-12-02 15:42:17,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:42:21,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:21,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162872118] [2024-12-02 15:42:21,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162872118] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:21,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:21,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:21,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791165988] [2024-12-02 15:42:21,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:21,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:21,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:21,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:21,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:21,222 INFO L87 Difference]: Start difference. First operand 8824 states and 12209 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-12-02 15:42:25,266 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 [] [2024-12-02 15:42:25,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:25,987 INFO L93 Difference]: Finished difference Result 22611 states and 31432 transitions. [2024-12-02 15:42:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:25,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 135 [2024-12-02 15:42:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:26,104 INFO L225 Difference]: With dead ends: 22611 [2024-12-02 15:42:26,104 INFO L226 Difference]: Without dead ends: 13808 [2024-12-02 15:42:26,121 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 [2024-12-02 15:42:26,122 INFO L435 NwaCegarLoop]: 4525 mSDtfsCounter, 3937 mSDsluCounter, 4427 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3937 SdHoareTripleChecker+Valid, 8952 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:26,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3937 Valid, 8952 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:42:26,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13808 states. [2024-12-02 15:42:26,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13808 to 13773. [2024-12-02 15:42:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13773 states, 9738 states have (on average 1.2863010885192032) internal successors, (12526), 9959 states have internal predecessors, (12526), 3310 states have call successors, (3310), 732 states have call predecessors, (3310), 722 states have return successors, (3347), 3215 states have call predecessors, (3347), 3307 states have call successors, (3347) [2024-12-02 15:42:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13773 states to 13773 states and 19183 transitions. [2024-12-02 15:42:26,915 INFO L78 Accepts]: Start accepts. Automaton has 13773 states and 19183 transitions. Word has length 135 [2024-12-02 15:42:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:26,915 INFO L471 AbstractCegarLoop]: Abstraction has 13773 states and 19183 transitions. [2024-12-02 15:42:26,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2024-12-02 15:42:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 13773 states and 19183 transitions. [2024-12-02 15:42:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 15:42:26,918 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:26,919 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:42:26,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:42:26,919 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:42:26,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:26,919 INFO L85 PathProgramCache]: Analyzing trace with hash -347910816, now seen corresponding path program 1 times [2024-12-02 15:42:26,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:26,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629967944] [2024-12-02 15:42:26,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 15:42:30,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:30,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629967944] [2024-12-02 15:42:30,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629967944] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:30,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:30,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:30,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302782276] [2024-12-02 15:42:30,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:30,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:30,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:30,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:30,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:30,329 INFO L87 Difference]: Start difference. First operand 13773 states and 19183 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 15:42:34,378 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 [] [2024-12-02 15:42:34,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:34,967 INFO L93 Difference]: Finished difference Result 40798 states and 56890 transitions. [2024-12-02 15:42:34,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:34,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 164 [2024-12-02 15:42:34,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:35,074 INFO L225 Difference]: With dead ends: 40798 [2024-12-02 15:42:35,074 INFO L226 Difference]: Without dead ends: 27111 [2024-12-02 15:42:35,117 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 [2024-12-02 15:42:35,118 INFO L435 NwaCegarLoop]: 4641 mSDtfsCounter, 4437 mSDsluCounter, 4486 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4437 SdHoareTripleChecker+Valid, 9127 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:35,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4437 Valid, 9127 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 15:42:35,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27111 states. [2024-12-02 15:42:35,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27111 to 27088. [2024-12-02 15:42:35,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27088 states, 19172 states have (on average 1.288284998956812) internal successors, (24699), 19592 states have internal predecessors, (24699), 6497 states have call successors, (6497), 1435 states have call predecessors, (6497), 1416 states have return successors, (6574), 6328 states have call predecessors, (6574), 6494 states have call successors, (6574) [2024-12-02 15:42:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27088 states to 27088 states and 37770 transitions. [2024-12-02 15:42:35,998 INFO L78 Accepts]: Start accepts. Automaton has 27088 states and 37770 transitions. Word has length 164 [2024-12-02 15:42:35,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:35,998 INFO L471 AbstractCegarLoop]: Abstraction has 27088 states and 37770 transitions. [2024-12-02 15:42:35,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-12-02 15:42:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 27088 states and 37770 transitions. [2024-12-02 15:42:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-12-02 15:42:36,001 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:36,001 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:42:36,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:42:36,001 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:42:36,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:36,002 INFO L85 PathProgramCache]: Analyzing trace with hash 74791010, now seen corresponding path program 1 times [2024-12-02 15:42:36,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:36,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750879320] [2024-12-02 15:42:36,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-12-02 15:42:40,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:40,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750879320] [2024-12-02 15:42:40,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750879320] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:40,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:40,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:42:40,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207874207] [2024-12-02 15:42:40,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:40,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:42:40,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:40,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:42:40,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:42:40,201 INFO L87 Difference]: Start difference. First operand 27088 states and 37770 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:42:41,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:41,113 INFO L93 Difference]: Finished difference Result 27094 states and 37775 transitions. [2024-12-02 15:42:41,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:42:41,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 164 [2024-12-02 15:42:41,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:41,236 INFO L225 Difference]: With dead ends: 27094 [2024-12-02 15:42:41,236 INFO L226 Difference]: Without dead ends: 27092 [2024-12-02 15:42:41,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:42:41,253 INFO L435 NwaCegarLoop]: 4509 mSDtfsCounter, 4467 mSDsluCounter, 9004 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4468 SdHoareTripleChecker+Valid, 13513 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:41,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4468 Valid, 13513 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:42:41,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27092 states. [2024-12-02 15:42:41,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27092 to 27092. [2024-12-02 15:42:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27092 states, 19175 states have (on average 1.2882398956975227) internal successors, (24702), 19595 states have internal predecessors, (24702), 6497 states have call successors, (6497), 1436 states have call predecessors, (6497), 1417 states have return successors, (6574), 6328 states have call predecessors, (6574), 6494 states have call successors, (6574) [2024-12-02 15:42:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27092 states to 27092 states and 37773 transitions. [2024-12-02 15:42:42,095 INFO L78 Accepts]: Start accepts. Automaton has 27092 states and 37773 transitions. Word has length 164 [2024-12-02 15:42:42,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:42,096 INFO L471 AbstractCegarLoop]: Abstraction has 27092 states and 37773 transitions. [2024-12-02 15:42:42,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:42:42,096 INFO L276 IsEmpty]: Start isEmpty. Operand 27092 states and 37773 transitions. [2024-12-02 15:42:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-02 15:42:42,098 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:42,098 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:42:42,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:42:42,099 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:42:42,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:42,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1942467279, now seen corresponding path program 1 times [2024-12-02 15:42:42,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:42,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972373291] [2024-12-02 15:42:42,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-12-02 15:42:46,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:46,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972373291] [2024-12-02 15:42:46,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972373291] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:46,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:46,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:42:46,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637750354] [2024-12-02 15:42:46,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:46,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:42:46,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:46,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:42:46,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:42:46,391 INFO L87 Difference]: Start difference. First operand 27092 states and 37773 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:42:47,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:47,604 INFO L93 Difference]: Finished difference Result 27898 states and 38610 transitions. [2024-12-02 15:42:47,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:42:47,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 169 [2024-12-02 15:42:47,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:47,726 INFO L225 Difference]: With dead ends: 27898 [2024-12-02 15:42:47,727 INFO L226 Difference]: Without dead ends: 27896 [2024-12-02 15:42:47,740 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:42:47,741 INFO L435 NwaCegarLoop]: 4527 mSDtfsCounter, 4418 mSDsluCounter, 9199 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4419 SdHoareTripleChecker+Valid, 13726 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:47,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4419 Valid, 13726 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:42:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27896 states. [2024-12-02 15:42:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27896 to 27892. [2024-12-02 15:42:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27892 states, 19658 states have (on average 1.2830908535965002) internal successors, (25223), 20094 states have internal predecessors, (25223), 6653 states have call successors, (6653), 1597 states have call predecessors, (6653), 1578 states have return successors, (6730), 6484 states have call predecessors, (6730), 6650 states have call successors, (6730) [2024-12-02 15:42:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27892 states to 27892 states and 38606 transitions. [2024-12-02 15:42:49,022 INFO L78 Accepts]: Start accepts. Automaton has 27892 states and 38606 transitions. Word has length 169 [2024-12-02 15:42:49,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:49,022 INFO L471 AbstractCegarLoop]: Abstraction has 27892 states and 38606 transitions. [2024-12-02 15:42:49,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:42:49,022 INFO L276 IsEmpty]: Start isEmpty. Operand 27892 states and 38606 transitions. [2024-12-02 15:42:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-12-02 15:42:49,024 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:49,024 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:42:49,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:42:49,025 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:42:49,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:49,025 INFO L85 PathProgramCache]: Analyzing trace with hash -392562302, now seen corresponding path program 1 times [2024-12-02 15:42:49,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:49,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380452048] [2024-12-02 15:42:49,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:49,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 15:42:52,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:52,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380452048] [2024-12-02 15:42:52,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380452048] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:52,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:52,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:42:52,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075006657] [2024-12-02 15:42:52,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:52,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:42:52,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:52,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:42:52,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:42:52,879 INFO L87 Difference]: Start difference. First operand 27892 states and 38606 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-12-02 15:42:53,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:53,815 INFO L93 Difference]: Finished difference Result 27898 states and 38611 transitions. [2024-12-02 15:42:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:42:53,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 174 [2024-12-02 15:42:53,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:53,923 INFO L225 Difference]: With dead ends: 27898 [2024-12-02 15:42:53,923 INFO L226 Difference]: Without dead ends: 27896 [2024-12-02 15:42:53,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:42:53,940 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4462 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4463 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:53,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4463 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:42:53,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27896 states. [2024-12-02 15:42:54,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27896 to 27896. [2024-12-02 15:42:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27896 states, 19661 states have (on average 1.283047657799705) internal successors, (25226), 20097 states have internal predecessors, (25226), 6653 states have call successors, (6653), 1598 states have call predecessors, (6653), 1579 states have return successors, (6730), 6484 states have call predecessors, (6730), 6650 states have call successors, (6730) [2024-12-02 15:42:54,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27896 states to 27896 states and 38609 transitions. [2024-12-02 15:42:54,926 INFO L78 Accepts]: Start accepts. Automaton has 27896 states and 38609 transitions. Word has length 174 [2024-12-02 15:42:54,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:54,926 INFO L471 AbstractCegarLoop]: Abstraction has 27896 states and 38609 transitions. [2024-12-02 15:42:54,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-12-02 15:42:54,927 INFO L276 IsEmpty]: Start isEmpty. Operand 27896 states and 38609 transitions. [2024-12-02 15:42:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-12-02 15:42:54,931 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:54,931 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:42:54,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:42:54,931 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:42:54,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:54,931 INFO L85 PathProgramCache]: Analyzing trace with hash 750350225, now seen corresponding path program 1 times [2024-12-02 15:42:54,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:54,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059131586] [2024-12-02 15:42:54,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:54,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-12-02 15:42:58,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:58,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059131586] [2024-12-02 15:42:58,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059131586] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:58,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:58,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:42:58,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631674452] [2024-12-02 15:42:58,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:58,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:42:58,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:58,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:42:58,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:42:58,739 INFO L87 Difference]: Start difference. First operand 27896 states and 38609 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-12-02 15:42:59,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:59,672 INFO L93 Difference]: Finished difference Result 27902 states and 38614 transitions. [2024-12-02 15:42:59,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:42:59,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 179 [2024-12-02 15:42:59,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:59,771 INFO L225 Difference]: With dead ends: 27902 [2024-12-02 15:42:59,771 INFO L226 Difference]: Without dead ends: 27900 [2024-12-02 15:42:59,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:42:59,788 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4461 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4462 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:59,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4462 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:42:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27900 states. [2024-12-02 15:43:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27900 to 27900. [2024-12-02 15:43:00,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27900 states, 19664 states have (on average 1.2830044751830756) internal successors, (25229), 20100 states have internal predecessors, (25229), 6653 states have call successors, (6653), 1599 states have call predecessors, (6653), 1580 states have return successors, (6730), 6484 states have call predecessors, (6730), 6650 states have call successors, (6730) [2024-12-02 15:43:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27900 states to 27900 states and 38612 transitions. [2024-12-02 15:43:00,790 INFO L78 Accepts]: Start accepts. Automaton has 27900 states and 38612 transitions. Word has length 179 [2024-12-02 15:43:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:00,790 INFO L471 AbstractCegarLoop]: Abstraction has 27900 states and 38612 transitions. [2024-12-02 15:43:00,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-12-02 15:43:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 27900 states and 38612 transitions. [2024-12-02 15:43:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:43:00,792 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:00,792 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:43:00,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:43:00,793 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:43:00,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:00,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1769936068, now seen corresponding path program 1 times [2024-12-02 15:43:00,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:00,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216052180] [2024-12-02 15:43:00,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:00,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:05,099 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 15:43:05,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:05,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216052180] [2024-12-02 15:43:05,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216052180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:05,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:05,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:43:05,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727492312] [2024-12-02 15:43:05,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:05,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:43:05,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:05,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:43:05,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:43:05,101 INFO L87 Difference]: Start difference. First operand 27900 states and 38612 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:43:09,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:43:25,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:25,965 INFO L93 Difference]: Finished difference Result 74186 states and 102193 transitions. [2024-12-02 15:43:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:25,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2024-12-02 15:43:25,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:26,112 INFO L225 Difference]: With dead ends: 74186 [2024-12-02 15:43:26,112 INFO L226 Difference]: Without dead ends: 46372 [2024-12-02 15:43:26,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:43:26,190 INFO L435 NwaCegarLoop]: 6832 mSDtfsCounter, 7744 mSDsluCounter, 9773 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 1503 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7744 SdHoareTripleChecker+Valid, 16605 SdHoareTripleChecker+Invalid, 3027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1503 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:26,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7744 Valid, 16605 Invalid, 3027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1503 Valid, 1523 Invalid, 1 Unknown, 0 Unchecked, 18.8s Time] [2024-12-02 15:43:26,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46372 states. [2024-12-02 15:43:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46372 to 46282. [2024-12-02 15:43:27,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46282 states, 32524 states have (on average 1.2766264912064937) internal successors, (41521), 33212 states have internal predecessors, (41521), 10929 states have call successors, (10929), 2859 states have call predecessors, (10929), 2826 states have return successors, (11006), 10702 states have call predecessors, (11006), 10926 states have call successors, (11006) [2024-12-02 15:43:27,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46282 states to 46282 states and 63456 transitions. [2024-12-02 15:43:27,799 INFO L78 Accepts]: Start accepts. Automaton has 46282 states and 63456 transitions. Word has length 177 [2024-12-02 15:43:27,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:27,800 INFO L471 AbstractCegarLoop]: Abstraction has 46282 states and 63456 transitions. [2024-12-02 15:43:27,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:43:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 46282 states and 63456 transitions. [2024-12-02 15:43:27,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 15:43:27,801 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:27,801 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:43:27,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:43:27,802 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:43:27,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:27,802 INFO L85 PathProgramCache]: Analyzing trace with hash 428442274, now seen corresponding path program 1 times [2024-12-02 15:43:27,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:27,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278619950] [2024-12-02 15:43:27,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:27,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-02 15:43:31,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:31,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278619950] [2024-12-02 15:43:31,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278619950] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:31,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:31,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:43:31,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630358880] [2024-12-02 15:43:31,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:31,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:43:31,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:31,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:43:31,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:43:31,669 INFO L87 Difference]: Start difference. First operand 46282 states and 63456 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-12-02 15:43:33,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:33,372 INFO L93 Difference]: Finished difference Result 47502 states and 64542 transitions. [2024-12-02 15:43:33,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:33,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 184 [2024-12-02 15:43:33,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:33,556 INFO L225 Difference]: With dead ends: 47502 [2024-12-02 15:43:33,556 INFO L226 Difference]: Without dead ends: 47500 [2024-12-02 15:43:33,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:33,586 INFO L435 NwaCegarLoop]: 4546 mSDtfsCounter, 2374 mSDsluCounter, 11214 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2375 SdHoareTripleChecker+Valid, 15760 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:33,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 15760 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:43:33,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47500 states. [2024-12-02 15:43:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47500 to 47498. [2024-12-02 15:43:35,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47498 states, 33359 states have (on average 1.2718606672861896) internal successors, (42428), 34067 states have internal predecessors, (42428), 11017 states have call successors, (11017), 3152 states have call predecessors, (11017), 3119 states have return successors, (11094), 10790 states have call predecessors, (11094), 11014 states have call successors, (11094) [2024-12-02 15:43:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47498 states to 47498 states and 64539 transitions. [2024-12-02 15:43:35,417 INFO L78 Accepts]: Start accepts. Automaton has 47498 states and 64539 transitions. Word has length 184 [2024-12-02 15:43:35,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:35,418 INFO L471 AbstractCegarLoop]: Abstraction has 47498 states and 64539 transitions. [2024-12-02 15:43:35,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-12-02 15:43:35,418 INFO L276 IsEmpty]: Start isEmpty. Operand 47498 states and 64539 transitions. [2024-12-02 15:43:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-12-02 15:43:35,419 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:35,419 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:43:35,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:43:35,420 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:43:35,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:35,420 INFO L85 PathProgramCache]: Analyzing trace with hash 497914108, now seen corresponding path program 1 times [2024-12-02 15:43:35,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:35,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831706032] [2024-12-02 15:43:35,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:35,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2024-12-02 15:43:39,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:39,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831706032] [2024-12-02 15:43:39,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831706032] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:39,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:39,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:43:39,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047756705] [2024-12-02 15:43:39,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:39,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:43:39,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:39,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:43:39,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:43:39,275 INFO L87 Difference]: Start difference. First operand 47498 states and 64539 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-12-02 15:43:40,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:40,973 INFO L93 Difference]: Finished difference Result 47504 states and 64544 transitions. [2024-12-02 15:43:40,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:40,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) Word has length 207 [2024-12-02 15:43:40,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:41,132 INFO L225 Difference]: With dead ends: 47504 [2024-12-02 15:43:41,132 INFO L226 Difference]: Without dead ends: 47502 [2024-12-02 15:43:41,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:41,156 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4448 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:41,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:43:41,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47502 states. [2024-12-02 15:43:43,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47502 to 47502. [2024-12-02 15:43:43,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47502 states, 33362 states have (on average 1.2718362208500689) internal successors, (42431), 34070 states have internal predecessors, (42431), 11017 states have call successors, (11017), 3153 states have call predecessors, (11017), 3120 states have return successors, (11094), 10790 states have call predecessors, (11094), 11014 states have call successors, (11094) [2024-12-02 15:43:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47502 states to 47502 states and 64542 transitions. [2024-12-02 15:43:43,360 INFO L78 Accepts]: Start accepts. Automaton has 47502 states and 64542 transitions. Word has length 207 [2024-12-02 15:43:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:43,360 INFO L471 AbstractCegarLoop]: Abstraction has 47502 states and 64542 transitions. [2024-12-02 15:43:43,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-12-02 15:43:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 47502 states and 64542 transitions. [2024-12-02 15:43:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-12-02 15:43:43,362 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:43,362 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:43:43,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:43:43,362 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:43:43,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:43,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1479361641, now seen corresponding path program 1 times [2024-12-02 15:43:43,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:43,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820013052] [2024-12-02 15:43:43,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:43,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2024-12-02 15:43:47,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:47,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820013052] [2024-12-02 15:43:47,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820013052] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:47,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:47,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:43:47,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742169145] [2024-12-02 15:43:47,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:47,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:43:47,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:47,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:43:47,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:43:47,179 INFO L87 Difference]: Start difference. First operand 47502 states and 64542 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:43:49,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:49,014 INFO L93 Difference]: Finished difference Result 47508 states and 64547 transitions. [2024-12-02 15:43:49,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:49,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 212 [2024-12-02 15:43:49,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:49,201 INFO L225 Difference]: With dead ends: 47508 [2024-12-02 15:43:49,201 INFO L226 Difference]: Without dead ends: 47506 [2024-12-02 15:43:49,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:49,230 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4447 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4448 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:49,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4448 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:43:49,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47506 states. [2024-12-02 15:43:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47506 to 47506. [2024-12-02 15:43:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47506 states, 33365 states have (on average 1.2718117788101304) internal successors, (42434), 34073 states have internal predecessors, (42434), 11017 states have call successors, (11017), 3154 states have call predecessors, (11017), 3121 states have return successors, (11094), 10790 states have call predecessors, (11094), 11014 states have call successors, (11094) [2024-12-02 15:43:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47506 states to 47506 states and 64545 transitions. [2024-12-02 15:43:51,171 INFO L78 Accepts]: Start accepts. Automaton has 47506 states and 64545 transitions. Word has length 212 [2024-12-02 15:43:51,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:51,171 INFO L471 AbstractCegarLoop]: Abstraction has 47506 states and 64545 transitions. [2024-12-02 15:43:51,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:43:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 47506 states and 64545 transitions. [2024-12-02 15:43:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-12-02 15:43:51,173 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:51,173 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 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] [2024-12-02 15:43:51,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:43:51,174 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:43:51,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:51,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2121030737, now seen corresponding path program 1 times [2024-12-02 15:43:51,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:51,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446298389] [2024-12-02 15:43:51,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:51,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:43:55,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:55,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446298389] [2024-12-02 15:43:55,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446298389] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:55,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:55,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:43:55,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7328069] [2024-12-02 15:43:55,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:55,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:43:55,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:55,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:43:55,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:43:55,018 INFO L87 Difference]: Start difference. First operand 47506 states and 64545 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-12-02 15:43:56,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:56,945 INFO L93 Difference]: Finished difference Result 47512 states and 64550 transitions. [2024-12-02 15:43:56,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:56,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) Word has length 199 [2024-12-02 15:43:56,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:57,101 INFO L225 Difference]: With dead ends: 47512 [2024-12-02 15:43:57,101 INFO L226 Difference]: Without dead ends: 47510 [2024-12-02 15:43:57,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:57,121 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4457 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4458 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:57,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4458 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:43:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47510 states. [2024-12-02 15:43:58,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47510 to 47510. [2024-12-02 15:43:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47510 states, 33368 states have (on average 1.271787341165188) internal successors, (42437), 34076 states have internal predecessors, (42437), 11017 states have call successors, (11017), 3155 states have call predecessors, (11017), 3122 states have return successors, (11094), 10790 states have call predecessors, (11094), 11014 states have call successors, (11094) [2024-12-02 15:43:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47510 states to 47510 states and 64548 transitions. [2024-12-02 15:43:59,155 INFO L78 Accepts]: Start accepts. Automaton has 47510 states and 64548 transitions. Word has length 199 [2024-12-02 15:43:59,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:59,155 INFO L471 AbstractCegarLoop]: Abstraction has 47510 states and 64548 transitions. [2024-12-02 15:43:59,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-12-02 15:43:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 47510 states and 64548 transitions. [2024-12-02 15:43:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-12-02 15:43:59,157 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:59,157 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:43:59,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:43:59,157 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:43:59,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:59,158 INFO L85 PathProgramCache]: Analyzing trace with hash 115404002, now seen corresponding path program 1 times [2024-12-02 15:43:59,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:59,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112003408] [2024-12-02 15:43:59,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:59,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-12-02 15:44:03,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:44:03,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112003408] [2024-12-02 15:44:03,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112003408] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:44:03,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:44:03,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:44:03,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265245813] [2024-12-02 15:44:03,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:44:03,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:44:03,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:44:03,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:44:03,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:44:03,456 INFO L87 Difference]: Start difference. First operand 47510 states and 64548 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:44:05,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:05,488 INFO L93 Difference]: Finished difference Result 47516 states and 64553 transitions. [2024-12-02 15:44:05,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:44:05,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 204 [2024-12-02 15:44:05,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:05,673 INFO L225 Difference]: With dead ends: 47516 [2024-12-02 15:44:05,673 INFO L226 Difference]: Without dead ends: 47514 [2024-12-02 15:44:05,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:44:05,701 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4456 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4457 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:05,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4457 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:44:05,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47514 states. [2024-12-02 15:44:07,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47514 to 47514. [2024-12-02 15:44:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47514 states, 33371 states have (on average 1.271762907914057) internal successors, (42440), 34079 states have internal predecessors, (42440), 11017 states have call successors, (11017), 3156 states have call predecessors, (11017), 3123 states have return successors, (11094), 10790 states have call predecessors, (11094), 11014 states have call successors, (11094) [2024-12-02 15:44:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47514 states to 47514 states and 64551 transitions. [2024-12-02 15:44:07,834 INFO L78 Accepts]: Start accepts. Automaton has 47514 states and 64551 transitions. Word has length 204 [2024-12-02 15:44:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:07,834 INFO L471 AbstractCegarLoop]: Abstraction has 47514 states and 64551 transitions. [2024-12-02 15:44:07,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:44:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 47514 states and 64551 transitions. [2024-12-02 15:44:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-12-02 15:44:07,836 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:07,836 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 10, 9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:07,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:44:07,836 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:44:07,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:07,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1333525052, now seen corresponding path program 1 times [2024-12-02 15:44:07,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:07,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656663990] [2024-12-02 15:44:07,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:07,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2024-12-02 15:44:11,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:44:11,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656663990] [2024-12-02 15:44:11,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656663990] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:44:11,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:44:11,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:44:11,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518352954] [2024-12-02 15:44:11,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:44:11,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:44:11,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:44:11,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:44:11,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:44:11,589 INFO L87 Difference]: Start difference. First operand 47514 states and 64551 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:44:13,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:13,690 INFO L93 Difference]: Finished difference Result 47520 states and 64556 transitions. [2024-12-02 15:44:13,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:44:13,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 227 [2024-12-02 15:44:13,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:13,862 INFO L225 Difference]: With dead ends: 47520 [2024-12-02 15:44:13,862 INFO L226 Difference]: Without dead ends: 47518 [2024-12-02 15:44:13,888 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:44:13,889 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4444 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4445 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:13,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4445 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:44:13,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47518 states. [2024-12-02 15:44:15,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47518 to 47518. [2024-12-02 15:44:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47518 states, 33374 states have (on average 1.2717384790555522) internal successors, (42443), 34082 states have internal predecessors, (42443), 11017 states have call successors, (11017), 3157 states have call predecessors, (11017), 3124 states have return successors, (11094), 10790 states have call predecessors, (11094), 11014 states have call successors, (11094) [2024-12-02 15:44:16,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47518 states to 47518 states and 64554 transitions. [2024-12-02 15:44:16,153 INFO L78 Accepts]: Start accepts. Automaton has 47518 states and 64554 transitions. Word has length 227 [2024-12-02 15:44:16,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:16,154 INFO L471 AbstractCegarLoop]: Abstraction has 47518 states and 64554 transitions. [2024-12-02 15:44:16,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:44:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 47518 states and 64554 transitions. [2024-12-02 15:44:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 15:44:16,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:16,156 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 10, 10, 8, 8, 8, 8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:16,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:44:16,156 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:44:16,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:16,156 INFO L85 PathProgramCache]: Analyzing trace with hash 21526871, now seen corresponding path program 1 times [2024-12-02 15:44:16,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:16,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300490652] [2024-12-02 15:44:16,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:16,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2024-12-02 15:44:20,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:44:20,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300490652] [2024-12-02 15:44:20,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300490652] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:44:20,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:44:20,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:44:20,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327412917] [2024-12-02 15:44:20,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:44:20,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:44:20,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:44:20,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:44:20,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:44:20,229 INFO L87 Difference]: Start difference. First operand 47518 states and 64554 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:44:22,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:22,483 INFO L93 Difference]: Finished difference Result 47524 states and 64559 transitions. [2024-12-02 15:44:22,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:44:22,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 232 [2024-12-02 15:44:22,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:22,631 INFO L225 Difference]: With dead ends: 47524 [2024-12-02 15:44:22,631 INFO L226 Difference]: Without dead ends: 47522 [2024-12-02 15:44:22,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:44:22,648 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4443 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4444 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:22,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4444 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:44:22,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47522 states. [2024-12-02 15:44:24,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47522 to 47522. [2024-12-02 15:44:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47522 states, 33377 states have (on average 1.271714054588489) internal successors, (42446), 34085 states have internal predecessors, (42446), 11017 states have call successors, (11017), 3158 states have call predecessors, (11017), 3125 states have return successors, (11094), 10790 states have call predecessors, (11094), 11014 states have call successors, (11094) [2024-12-02 15:44:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47522 states to 47522 states and 64557 transitions. [2024-12-02 15:44:25,077 INFO L78 Accepts]: Start accepts. Automaton has 47522 states and 64557 transitions. Word has length 232 [2024-12-02 15:44:25,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:25,077 INFO L471 AbstractCegarLoop]: Abstraction has 47522 states and 64557 transitions. [2024-12-02 15:44:25,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:44:25,077 INFO L276 IsEmpty]: Start isEmpty. Operand 47522 states and 64557 transitions. [2024-12-02 15:44:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 15:44:25,079 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:25,079 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:25,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:44:25,079 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:44:25,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:25,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1956858588, now seen corresponding path program 1 times [2024-12-02 15:44:25,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:25,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643854493] [2024-12-02 15:44:25,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:25,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-12-02 15:44:29,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:44:29,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643854493] [2024-12-02 15:44:29,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643854493] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:44:29,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:44:29,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:44:29,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905634829] [2024-12-02 15:44:29,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:44:29,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:44:29,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:44:29,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:44:29,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:44:29,043 INFO L87 Difference]: Start difference. First operand 47522 states and 64557 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 15:44:31,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:31,413 INFO L93 Difference]: Finished difference Result 47528 states and 64562 transitions. [2024-12-02 15:44:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:44:31,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 237 [2024-12-02 15:44:31,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:31,600 INFO L225 Difference]: With dead ends: 47528 [2024-12-02 15:44:31,600 INFO L226 Difference]: Without dead ends: 47524 [2024-12-02 15:44:31,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:44:31,627 INFO L435 NwaCegarLoop]: 4512 mSDtfsCounter, 4442 mSDsluCounter, 9005 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 13517 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:31,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 13517 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:44:31,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47524 states. [2024-12-02 15:44:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47524 to 47524. [2024-12-02 15:44:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47524 states, 33379 states have (on average 1.271667815093322) internal successors, (42447), 34086 states have internal predecessors, (42447), 11017 states have call successors, (11017), 3159 states have call predecessors, (11017), 3125 states have return successors, (11094), 10790 states have call predecessors, (11094), 11014 states have call successors, (11094) [2024-12-02 15:44:34,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47524 states to 47524 states and 64558 transitions. [2024-12-02 15:44:34,112 INFO L78 Accepts]: Start accepts. Automaton has 47524 states and 64558 transitions. Word has length 237 [2024-12-02 15:44:34,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:34,113 INFO L471 AbstractCegarLoop]: Abstraction has 47524 states and 64558 transitions. [2024-12-02 15:44:34,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 15:44:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 47524 states and 64558 transitions. [2024-12-02 15:44:34,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-12-02 15:44:34,114 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:34,115 INFO L218 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:34,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:44:34,115 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:44:34,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:34,115 INFO L85 PathProgramCache]: Analyzing trace with hash 732657442, now seen corresponding path program 1 times [2024-12-02 15:44:34,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:34,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066553773] [2024-12-02 15:44:34,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:34,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2024-12-02 15:44:37,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:44:37,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066553773] [2024-12-02 15:44:37,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066553773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:44:37,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:44:37,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:44:37,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654212875] [2024-12-02 15:44:37,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:44:37,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:44:37,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:44:37,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:44:37,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:44:37,819 INFO L87 Difference]: Start difference. First operand 47524 states and 64558 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:44:40,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:40,363 INFO L93 Difference]: Finished difference Result 47524 states and 64558 transitions. [2024-12-02 15:44:40,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:44:40,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 224 [2024-12-02 15:44:40,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:40,468 INFO L225 Difference]: With dead ends: 47524 [2024-12-02 15:44:40,468 INFO L226 Difference]: Without dead ends: 47239 [2024-12-02 15:44:40,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:44:40,481 INFO L435 NwaCegarLoop]: 4510 mSDtfsCounter, 4449 mSDsluCounter, 9003 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 13513 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:40,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 13513 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:44:40,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47239 states. [2024-12-02 15:44:42,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47239 to 47239. [2024-12-02 15:44:42,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47239 states, 33200 states have (on average 1.2712349397590361) internal successors, (42205), 33875 states have internal predecessors, (42205), 10930 states have call successors, (10930), 3139 states have call predecessors, (10930), 3107 states have return successors, (11010), 10736 states have call predecessors, (11010), 10930 states have call successors, (11010) [2024-12-02 15:44:42,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47239 states to 47239 states and 64145 transitions. [2024-12-02 15:44:43,001 INFO L78 Accepts]: Start accepts. Automaton has 47239 states and 64145 transitions. Word has length 224 [2024-12-02 15:44:43,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:43,002 INFO L471 AbstractCegarLoop]: Abstraction has 47239 states and 64145 transitions. [2024-12-02 15:44:43,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:44:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 47239 states and 64145 transitions. [2024-12-02 15:44:43,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:44:43,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:43,005 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:43,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:44:43,005 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:44:43,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:43,005 INFO L85 PathProgramCache]: Analyzing trace with hash 706266666, now seen corresponding path program 1 times [2024-12-02 15:44:43,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:43,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225686875] [2024-12-02 15:44:43,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:43,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2024-12-02 15:44:46,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:44:46,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225686875] [2024-12-02 15:44:46,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225686875] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:44:46,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:44:46,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:44:46,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748219436] [2024-12-02 15:44:46,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:44:46,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:44:46,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:44:46,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:44:46,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:44:46,475 INFO L87 Difference]: Start difference. First operand 47239 states and 64145 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 15:44:50,520 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 [] [2024-12-02 15:44:54,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:54,169 INFO L93 Difference]: Finished difference Result 99277 states and 134444 transitions. [2024-12-02 15:44:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:44:54,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 278 [2024-12-02 15:44:54,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:54,382 INFO L225 Difference]: With dead ends: 99277 [2024-12-02 15:44:54,382 INFO L226 Difference]: Without dead ends: 52057 [2024-12-02 15:44:54,521 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 [2024-12-02 15:44:54,522 INFO L435 NwaCegarLoop]: 5745 mSDtfsCounter, 1292 mSDsluCounter, 4401 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 10146 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:54,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 10146 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:44:54,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52057 states. [2024-12-02 15:44:57,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52057 to 52049. [2024-12-02 15:44:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52049 states, 36597 states have (on average 1.2669890974670055) internal successors, (46368), 37312 states have internal predecessors, (46368), 11892 states have call successors, (11892), 3590 states have call predecessors, (11892), 3558 states have return successors, (11972), 11694 states have call predecessors, (11972), 11892 states have call successors, (11972) [2024-12-02 15:44:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52049 states to 52049 states and 70232 transitions. [2024-12-02 15:44:57,570 INFO L78 Accepts]: Start accepts. Automaton has 52049 states and 70232 transitions. Word has length 278 [2024-12-02 15:44:57,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:57,570 INFO L471 AbstractCegarLoop]: Abstraction has 52049 states and 70232 transitions. [2024-12-02 15:44:57,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 15:44:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 52049 states and 70232 transitions. [2024-12-02 15:44:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-12-02 15:44:57,573 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:57,574 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:44:57,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:44:57,574 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:44:57,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:57,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1150167340, now seen corresponding path program 1 times [2024-12-02 15:44:57,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:57,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654361664] [2024-12-02 15:44:57,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:45:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:45:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2024-12-02 15:45:00,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:45:00,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654361664] [2024-12-02 15:45:00,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654361664] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:45:00,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:45:00,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:45:00,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068884339] [2024-12-02 15:45:00,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:45:00,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:45:00,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:45:00,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:45:00,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:45:00,963 INFO L87 Difference]: Start difference. First operand 52049 states and 70232 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 15:45:05,009 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 [] [2024-12-02 15:45:09,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:45:09,335 INFO L93 Difference]: Finished difference Result 118532 states and 160122 transitions. [2024-12-02 15:45:09,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:45:09,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 278 [2024-12-02 15:45:09,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:45:09,585 INFO L225 Difference]: With dead ends: 118532 [2024-12-02 15:45:09,585 INFO L226 Difference]: Without dead ends: 66569 [2024-12-02 15:45:09,893 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 [2024-12-02 15:45:09,894 INFO L435 NwaCegarLoop]: 7244 mSDtfsCounter, 3442 mSDsluCounter, 3769 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3442 SdHoareTripleChecker+Valid, 11013 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:45:09,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3442 Valid, 11013 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:45:09,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66569 states. [2024-12-02 15:45:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66569 to 66561. [2024-12-02 15:45:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66561 states, 46821 states have (on average 1.267636317037227) internal successors, (59352), 47744 states have internal predecessors, (59352), 15222 states have call successors, (15222), 4552 states have call predecessors, (15222), 4516 states have return successors, (15310), 15000 states have call predecessors, (15310), 15222 states have call successors, (15310) [2024-12-02 15:45:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66561 states to 66561 states and 89884 transitions. [2024-12-02 15:45:14,348 INFO L78 Accepts]: Start accepts. Automaton has 66561 states and 89884 transitions. Word has length 278 [2024-12-02 15:45:14,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:45:14,348 INFO L471 AbstractCegarLoop]: Abstraction has 66561 states and 89884 transitions. [2024-12-02 15:45:14,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-12-02 15:45:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand 66561 states and 89884 transitions. [2024-12-02 15:45:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-12-02 15:45:14,352 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:45:14,353 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:45:14,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:45:14,353 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:45:14,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:45:14,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1699701193, now seen corresponding path program 1 times [2024-12-02 15:45:14,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:45:14,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835322347] [2024-12-02 15:45:14,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:45:14,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:45:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:45:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-12-02 15:45:18,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:45:18,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835322347] [2024-12-02 15:45:18,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835322347] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:45:18,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:45:18,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:45:18,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857121547] [2024-12-02 15:45:18,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:45:18,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:45:18,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:45:18,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:45:18,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:45:18,096 INFO L87 Difference]: Start difference. First operand 66561 states and 89884 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 15:45:22,138 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 [] [2024-12-02 15:45:26,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:45:26,730 INFO L93 Difference]: Finished difference Result 137916 states and 185930 transitions. [2024-12-02 15:45:26,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:45:26,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 345 [2024-12-02 15:45:26,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:45:27,024 INFO L225 Difference]: With dead ends: 137916 [2024-12-02 15:45:27,024 INFO L226 Difference]: Without dead ends: 71441 [2024-12-02 15:45:27,200 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 [2024-12-02 15:45:27,202 INFO L435 NwaCegarLoop]: 5371 mSDtfsCounter, 1292 mSDsluCounter, 4400 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 9771 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:45:27,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 9771 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:45:27,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71441 states. [2024-12-02 15:45:31,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71441 to 71433. [2024-12-02 15:45:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71433 states, 50275 states have (on average 1.2648035803083044) internal successors, (63588), 51238 states have internal predecessors, (63588), 16190 states have call successors, (16190), 5002 states have call predecessors, (16190), 4966 states have return successors, (16278), 15964 states have call predecessors, (16278), 16190 states have call successors, (16278) [2024-12-02 15:45:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71433 states to 71433 states and 96056 transitions. [2024-12-02 15:45:31,494 INFO L78 Accepts]: Start accepts. Automaton has 71433 states and 96056 transitions. Word has length 345 [2024-12-02 15:45:31,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:45:31,495 INFO L471 AbstractCegarLoop]: Abstraction has 71433 states and 96056 transitions. [2024-12-02 15:45:31,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 15:45:31,495 INFO L276 IsEmpty]: Start isEmpty. Operand 71433 states and 96056 transitions. [2024-12-02 15:45:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-12-02 15:45:31,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:45:31,499 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:45:31,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:45:31,499 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:45:31,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:45:31,499 INFO L85 PathProgramCache]: Analyzing trace with hash 2143601867, now seen corresponding path program 1 times [2024-12-02 15:45:31,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:45:31,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112405276] [2024-12-02 15:45:31,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:45:31,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:45:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:45:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-12-02 15:45:35,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:45:35,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112405276] [2024-12-02 15:45:35,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112405276] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:45:35,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:45:35,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:45:35,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469947529] [2024-12-02 15:45:35,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:45:35,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:45:35,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:45:35,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:45:35,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:45:35,459 INFO L87 Difference]: Start difference. First operand 71433 states and 96056 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 15:45:39,507 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 [] [2024-12-02 15:45:45,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:45:45,126 INFO L93 Difference]: Finished difference Result 147756 states and 198394 transitions. [2024-12-02 15:45:45,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:45:45,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 345 [2024-12-02 15:45:45,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:45:45,421 INFO L225 Difference]: With dead ends: 147756 [2024-12-02 15:45:45,421 INFO L226 Difference]: Without dead ends: 76409 [2024-12-02 15:45:45,597 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 [2024-12-02 15:45:45,597 INFO L435 NwaCegarLoop]: 5745 mSDtfsCounter, 1305 mSDsluCounter, 4401 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1305 SdHoareTripleChecker+Valid, 10146 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:45:45,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1305 Valid, 10146 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 15:45:45,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76409 states. [2024-12-02 15:45:49,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76409 to 76401. [2024-12-02 15:45:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76401 states, 53809 states have (on average 1.262242375810738) internal successors, (67920), 54812 states have internal predecessors, (67920), 17166 states have call successors, (17166), 5460 states have call predecessors, (17166), 5424 states have return successors, (17254), 16936 states have call predecessors, (17254), 17166 states have call successors, (17254) [2024-12-02 15:45:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76401 states to 76401 states and 102340 transitions. [2024-12-02 15:45:50,090 INFO L78 Accepts]: Start accepts. Automaton has 76401 states and 102340 transitions. Word has length 345 [2024-12-02 15:45:50,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:45:50,090 INFO L471 AbstractCegarLoop]: Abstraction has 76401 states and 102340 transitions. [2024-12-02 15:45:50,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-12-02 15:45:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 76401 states and 102340 transitions. [2024-12-02 15:45:50,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-12-02 15:45:50,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:45:50,094 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:45:50,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:45:50,094 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:45:50,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:45:50,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1479176137, now seen corresponding path program 1 times [2024-12-02 15:45:50,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:45:50,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122045608] [2024-12-02 15:45:50,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:45:50,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:45:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:45:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-12-02 15:45:54,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:45:54,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122045608] [2024-12-02 15:45:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122045608] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:45:54,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:45:54,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:45:54,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210747045] [2024-12-02 15:45:54,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:45:54,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:45:54,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:45:54,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:45:54,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:45:54,103 INFO L87 Difference]: Start difference. First operand 76401 states and 102340 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 15:45:58,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:45:58,257 INFO L93 Difference]: Finished difference Result 76533 states and 102470 transitions. [2024-12-02 15:45:58,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:45:58,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 359 [2024-12-02 15:45:58,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:45:58,565 INFO L225 Difference]: With dead ends: 76533 [2024-12-02 15:45:58,565 INFO L226 Difference]: Without dead ends: 76531 [2024-12-02 15:45:58,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:45:58,619 INFO L435 NwaCegarLoop]: 4493 mSDtfsCounter, 2270 mSDsluCounter, 11126 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 15619 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:45:58,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 15619 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:45:58,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76531 states. [2024-12-02 15:46:03,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76531 to 76529. [2024-12-02 15:46:03,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76529 states, 53905 states have (on average 1.2607735831555513) internal successors, (67962), 54908 states have internal predecessors, (67962), 17166 states have call successors, (17166), 5492 states have call predecessors, (17166), 5456 states have return successors, (17254), 16936 states have call predecessors, (17254), 17166 states have call successors, (17254) [2024-12-02 15:46:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76529 states to 76529 states and 102382 transitions. [2024-12-02 15:46:04,229 INFO L78 Accepts]: Start accepts. Automaton has 76529 states and 102382 transitions. Word has length 359 [2024-12-02 15:46:04,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:04,230 INFO L471 AbstractCegarLoop]: Abstraction has 76529 states and 102382 transitions. [2024-12-02 15:46:04,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 15:46:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 76529 states and 102382 transitions. [2024-12-02 15:46:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2024-12-02 15:46:04,240 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:04,240 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:04,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:46:04,240 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:46:04,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:04,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1866071501, now seen corresponding path program 1 times [2024-12-02 15:46:04,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:04,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784066780] [2024-12-02 15:46:04,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:04,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1013 trivial. 0 not checked. [2024-12-02 15:46:09,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:09,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784066780] [2024-12-02 15:46:09,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784066780] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:09,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:09,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:46:09,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129598283] [2024-12-02 15:46:09,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:09,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:46:09,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:09,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:46:09,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:09,681 INFO L87 Difference]: Start difference. First operand 76529 states and 102382 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-02 15:46:13,733 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 [] [2024-12-02 15:46:17,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:17,711 INFO L93 Difference]: Finished difference Result 76531 states and 102383 transitions. [2024-12-02 15:46:17,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:46:17,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 407 [2024-12-02 15:46:17,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:18,143 INFO L225 Difference]: With dead ends: 76531 [2024-12-02 15:46:18,143 INFO L226 Difference]: Without dead ends: 74780 [2024-12-02 15:46:18,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:46:18,169 INFO L435 NwaCegarLoop]: 4484 mSDtfsCounter, 2127 mSDsluCounter, 11335 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2128 SdHoareTripleChecker+Valid, 15819 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:18,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2128 Valid, 15819 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 15:46:18,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74780 states. [2024-12-02 15:46:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74780 to 74780. [2024-12-02 15:46:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74780 states, 52645 states have (on average 1.259245892297464) internal successors, (66293), 53638 states have internal predecessors, (66293), 16818 states have call successors, (16818), 5351 states have call predecessors, (16818), 5315 states have return successors, (16906), 16588 states have call predecessors, (16906), 16818 states have call successors, (16906) [2024-12-02 15:46:22,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74780 states to 74780 states and 100017 transitions. [2024-12-02 15:46:22,541 INFO L78 Accepts]: Start accepts. Automaton has 74780 states and 100017 transitions. Word has length 407 [2024-12-02 15:46:22,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:22,542 INFO L471 AbstractCegarLoop]: Abstraction has 74780 states and 100017 transitions. [2024-12-02 15:46:22,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 4 states have internal predecessors, (145), 2 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-02 15:46:22,542 INFO L276 IsEmpty]: Start isEmpty. Operand 74780 states and 100017 transitions. [2024-12-02 15:46:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2024-12-02 15:46:22,557 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:22,557 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:22,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:46:22,557 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:46:22,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:22,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1242471210, now seen corresponding path program 1 times [2024-12-02 15:46:22,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:22,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349527949] [2024-12-02 15:46:22,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2024-12-02 15:46:26,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:26,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349527949] [2024-12-02 15:46:26,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349527949] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:26,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:26,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:46:26,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897267409] [2024-12-02 15:46:26,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:26,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:46:26,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:26,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:46:26,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:26,370 INFO L87 Difference]: Start difference. First operand 74780 states and 100017 transitions. Second operand has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:46:30,414 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 [] [2024-12-02 15:46:36,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:36,365 INFO L93 Difference]: Finished difference Result 154330 states and 206099 transitions. [2024-12-02 15:46:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:46:36,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) Word has length 500 [2024-12-02 15:46:36,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:36,824 INFO L225 Difference]: With dead ends: 154330 [2024-12-02 15:46:36,824 INFO L226 Difference]: Without dead ends: 79636 [2024-12-02 15:46:37,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:37,079 INFO L435 NwaCegarLoop]: 6547 mSDtfsCounter, 3615 mSDsluCounter, 16898 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3615 SdHoareTripleChecker+Valid, 23445 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:37,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3615 Valid, 23445 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 15:46:37,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79636 states. [2024-12-02 15:46:42,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79636 to 79612. [2024-12-02 15:46:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79612 states, 56049 states have (on average 1.257167835286981) internal successors, (70463), 57082 states have internal predecessors, (70463), 17786 states have call successors, (17786), 5803 states have call predecessors, (17786), 5775 states have return successors, (17882), 17560 states have call predecessors, (17882), 17786 states have call successors, (17882) [2024-12-02 15:46:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79612 states to 79612 states and 106131 transitions. [2024-12-02 15:46:43,045 INFO L78 Accepts]: Start accepts. Automaton has 79612 states and 106131 transitions. Word has length 500 [2024-12-02 15:46:43,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:43,045 INFO L471 AbstractCegarLoop]: Abstraction has 79612 states and 106131 transitions. [2024-12-02 15:46:43,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:46:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 79612 states and 106131 transitions. [2024-12-02 15:46:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-12-02 15:46:43,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:43,061 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:46:43,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:46:43,061 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:46:43,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:43,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1170267860, now seen corresponding path program 1 times [2024-12-02 15:46:43,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:43,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957309855] [2024-12-02 15:46:43,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:43,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1319 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2024-12-02 15:46:46,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:46,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957309855] [2024-12-02 15:46:46,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957309855] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:46,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:46,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:46:46,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406635580] [2024-12-02 15:46:46,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:46,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:46:46,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:46,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:46:46,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:46,754 INFO L87 Difference]: Start difference. First operand 79612 states and 106131 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:46:50,796 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 [] [2024-12-02 15:46:56,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:56,369 INFO L93 Difference]: Finished difference Result 164170 states and 218527 transitions. [2024-12-02 15:46:56,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:46:56,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) Word has length 501 [2024-12-02 15:46:56,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:56,962 INFO L225 Difference]: With dead ends: 164170 [2024-12-02 15:46:56,963 INFO L226 Difference]: Without dead ends: 84644 [2024-12-02 15:46:57,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:57,141 INFO L435 NwaCegarLoop]: 5705 mSDtfsCounter, 1297 mSDsluCounter, 15796 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 21501 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:57,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 21501 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 15:46:57,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84644 states. [2024-12-02 15:47:02,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84644 to 84620. [2024-12-02 15:47:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84620 states, 59581 states have (on average 1.254779208136822) internal successors, (74761), 60654 states have internal predecessors, (74761), 18770 states have call successors, (18770), 6287 states have call predecessors, (18770), 6267 states have return successors, (18874), 18548 states have call predecessors, (18874), 18770 states have call successors, (18874) [2024-12-02 15:47:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84620 states to 84620 states and 112405 transitions. [2024-12-02 15:47:03,222 INFO L78 Accepts]: Start accepts. Automaton has 84620 states and 112405 transitions. Word has length 501 [2024-12-02 15:47:03,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:03,223 INFO L471 AbstractCegarLoop]: Abstraction has 84620 states and 112405 transitions. [2024-12-02 15:47:03,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:47:03,223 INFO L276 IsEmpty]: Start isEmpty. Operand 84620 states and 112405 transitions. [2024-12-02 15:47:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-12-02 15:47:03,239 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:03,240 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:03,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:47:03,240 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:47:03,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:03,240 INFO L85 PathProgramCache]: Analyzing trace with hash -542556676, now seen corresponding path program 1 times [2024-12-02 15:47:03,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:03,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254536923] [2024-12-02 15:47:03,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:03,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1316 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 1251 trivial. 0 not checked. [2024-12-02 15:47:07,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254536923] [2024-12-02 15:47:07,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254536923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:07,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:07,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:47:07,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31336173] [2024-12-02 15:47:07,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:07,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:07,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:07,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:07,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:07,538 INFO L87 Difference]: Start difference. First operand 84620 states and 112405 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:47:11,584 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 [] [2024-12-02 15:47:17,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:17,747 INFO L93 Difference]: Finished difference Result 174042 states and 230963 transitions. [2024-12-02 15:47:17,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:17,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) Word has length 501 [2024-12-02 15:47:17,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:18,120 INFO L225 Difference]: With dead ends: 174042 [2024-12-02 15:47:18,120 INFO L226 Difference]: Without dead ends: 89508 [2024-12-02 15:47:18,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:18,323 INFO L435 NwaCegarLoop]: 5749 mSDtfsCounter, 1284 mSDsluCounter, 15893 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 21642 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:18,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 21642 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 15:47:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89508 states. [2024-12-02 15:47:23,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89508 to 89484. [2024-12-02 15:47:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89484 states, 63025 states have (on average 1.2530107100357002) internal successors, (78971), 64138 states have internal predecessors, (78971), 19738 states have call successors, (19738), 6739 states have call predecessors, (19738), 6719 states have return successors, (19842), 19512 states have call predecessors, (19842), 19738 states have call successors, (19842) [2024-12-02 15:47:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89484 states to 89484 states and 118551 transitions. [2024-12-02 15:47:23,987 INFO L78 Accepts]: Start accepts. Automaton has 89484 states and 118551 transitions. Word has length 501 [2024-12-02 15:47:23,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:23,988 INFO L471 AbstractCegarLoop]: Abstraction has 89484 states and 118551 transitions. [2024-12-02 15:47:23,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:47:23,988 INFO L276 IsEmpty]: Start isEmpty. Operand 89484 states and 118551 transitions. [2024-12-02 15:47:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2024-12-02 15:47:24,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:24,004 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:24,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 15:47:24,005 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:47:24,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:24,005 INFO L85 PathProgramCache]: Analyzing trace with hash -318826042, now seen corresponding path program 1 times [2024-12-02 15:47:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:24,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957271135] [2024-12-02 15:47:24,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:24,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2024-12-02 15:47:27,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:27,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957271135] [2024-12-02 15:47:27,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957271135] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:27,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:27,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:47:27,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663680776] [2024-12-02 15:47:27,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:27,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:47:27,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:27,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:47:27,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:47:27,437 INFO L87 Difference]: Start difference. First operand 89484 states and 118551 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:47:31,480 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 [] [2024-12-02 15:47:37,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:37,622 INFO L93 Difference]: Finished difference Result 185292 states and 245125 transitions. [2024-12-02 15:47:37,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:47:37,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 517 [2024-12-02 15:47:37,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:38,058 INFO L225 Difference]: With dead ends: 185292 [2024-12-02 15:47:38,058 INFO L226 Difference]: Without dead ends: 95894 [2024-12-02 15:47:38,295 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 [2024-12-02 15:47:38,296 INFO L435 NwaCegarLoop]: 6060 mSDtfsCounter, 1712 mSDsluCounter, 4400 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 10460 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:38,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 10460 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:47:38,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95894 states. [2024-12-02 15:47:44,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95894 to 95886. [2024-12-02 15:47:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95886 states, 67401 states have (on average 1.2505304075607186) internal successors, (84287), 68598 states have internal predecessors, (84287), 21132 states have call successors, (21132), 7383 states have call predecessors, (21132), 7351 states have return successors, (21236), 20886 states have call predecessors, (21236), 21132 states have call successors, (21236) [2024-12-02 15:47:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95886 states to 95886 states and 126655 transitions. [2024-12-02 15:47:44,551 INFO L78 Accepts]: Start accepts. Automaton has 95886 states and 126655 transitions. Word has length 517 [2024-12-02 15:47:44,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:44,551 INFO L471 AbstractCegarLoop]: Abstraction has 95886 states and 126655 transitions. [2024-12-02 15:47:44,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:47:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 95886 states and 126655 transitions. [2024-12-02 15:47:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2024-12-02 15:47:44,567 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:44,568 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:47:44,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 15:47:44,568 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:47:44,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:44,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1788956373, now seen corresponding path program 1 times [2024-12-02 15:47:44,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:44,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200578622] [2024-12-02 15:47:44,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:44,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 1367 trivial. 0 not checked. [2024-12-02 15:47:48,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:48,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200578622] [2024-12-02 15:47:48,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200578622] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:48,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:48,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:47:48,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403360591] [2024-12-02 15:47:48,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:48,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:47:48,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:48,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:47:48,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:47:48,343 INFO L87 Difference]: Start difference. First operand 95886 states and 126655 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:47:52,387 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 [] [2024-12-02 15:47:58,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:58,679 INFO L93 Difference]: Finished difference Result 196638 states and 259519 transitions. [2024-12-02 15:47:58,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:47:58,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 523 [2024-12-02 15:47:58,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:59,168 INFO L225 Difference]: With dead ends: 196638 [2024-12-02 15:47:59,168 INFO L226 Difference]: Without dead ends: 100838 [2024-12-02 15:47:59,420 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 [2024-12-02 15:47:59,420 INFO L435 NwaCegarLoop]: 5750 mSDtfsCounter, 1298 mSDsluCounter, 4403 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 10153 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:59,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 10153 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:47:59,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100838 states. [2024-12-02 15:48:04,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100838 to 100830. [2024-12-02 15:48:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100830 states, 70909 states have (on average 1.2491644220056692) internal successors, (88577), 72146 states have internal predecessors, (88577), 22108 states have call successors, (22108), 7843 states have call predecessors, (22108), 7811 states have return successors, (22212), 21858 states have call predecessors, (22212), 22108 states have call successors, (22212) [2024-12-02 15:48:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100830 states to 100830 states and 132897 transitions. [2024-12-02 15:48:05,549 INFO L78 Accepts]: Start accepts. Automaton has 100830 states and 132897 transitions. Word has length 523 [2024-12-02 15:48:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:05,550 INFO L471 AbstractCegarLoop]: Abstraction has 100830 states and 132897 transitions. [2024-12-02 15:48:05,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-12-02 15:48:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand 100830 states and 132897 transitions. [2024-12-02 15:48:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2024-12-02 15:48:05,747 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:05,747 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 16, 16, 16, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:05,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 15:48:05,747 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:48:05,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:05,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1121544538, now seen corresponding path program 1 times [2024-12-02 15:48:05,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:05,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770461537] [2024-12-02 15:48:05,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2024-12-02 15:48:09,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:09,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770461537] [2024-12-02 15:48:09,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770461537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:09,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:09,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:48:09,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800607685] [2024-12-02 15:48:09,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:09,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:48:09,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:09,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:48:09,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:09,926 INFO L87 Difference]: Start difference. First operand 100830 states and 132897 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-02 15:48:13,969 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 [] [2024-12-02 15:48:20,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:20,346 INFO L93 Difference]: Finished difference Result 206430 states and 271873 transitions. [2024-12-02 15:48:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:48:20,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 537 [2024-12-02 15:48:20,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:20,881 INFO L225 Difference]: With dead ends: 206430 [2024-12-02 15:48:20,881 INFO L226 Difference]: Without dead ends: 105686 [2024-12-02 15:48:21,152 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 [2024-12-02 15:48:21,152 INFO L435 NwaCegarLoop]: 5752 mSDtfsCounter, 1297 mSDsluCounter, 4396 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 10148 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:21,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 10148 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:48:21,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105686 states. [2024-12-02 15:48:26,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105686 to 105678. [2024-12-02 15:48:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105678 states, 74335 states have (on average 1.2479854711777763) internal successors, (92769), 75612 states have internal predecessors, (92769), 23076 states have call successors, (23076), 8297 states have call predecessors, (23076), 8265 states have return successors, (23180), 22822 states have call predecessors, (23180), 23076 states have call successors, (23180) [2024-12-02 15:48:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105678 states to 105678 states and 139025 transitions. [2024-12-02 15:48:27,530 INFO L78 Accepts]: Start accepts. Automaton has 105678 states and 139025 transitions. Word has length 537 [2024-12-02 15:48:27,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:27,530 INFO L471 AbstractCegarLoop]: Abstraction has 105678 states and 139025 transitions. [2024-12-02 15:48:27,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2024-12-02 15:48:27,531 INFO L276 IsEmpty]: Start isEmpty. Operand 105678 states and 139025 transitions. [2024-12-02 15:48:27,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-12-02 15:48:27,558 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:27,559 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:27,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 15:48:27,559 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:48:27,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:27,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1700781174, now seen corresponding path program 1 times [2024-12-02 15:48:27,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:27,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532224169] [2024-12-02 15:48:27,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:27,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1570 trivial. 0 not checked. [2024-12-02 15:48:31,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:31,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532224169] [2024-12-02 15:48:31,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532224169] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:31,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:31,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:48:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74552347] [2024-12-02 15:48:31,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:31,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:31,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:31,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:31,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:31,575 INFO L87 Difference]: Start difference. First operand 105678 states and 139025 transitions. Second operand has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2024-12-02 15:48:35,620 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 [] [2024-12-02 15:48:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:42,646 INFO L93 Difference]: Finished difference Result 217828 states and 286111 transitions. [2024-12-02 15:48:42,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:48:42,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) Word has length 556 [2024-12-02 15:48:42,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:43,202 INFO L225 Difference]: With dead ends: 217828 [2024-12-02 15:48:43,202 INFO L226 Difference]: Without dead ends: 112236 [2024-12-02 15:48:43,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:43,477 INFO L435 NwaCegarLoop]: 6613 mSDtfsCounter, 3614 mSDsluCounter, 17030 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3614 SdHoareTripleChecker+Valid, 23643 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:43,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3614 Valid, 23643 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 15:48:43,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112236 states. [2024-12-02 15:48:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112236 to 107404. [2024-12-02 15:48:50,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107404 states, 75497 states have (on average 1.2471621388929361) internal successors, (94157), 76790 states have internal predecessors, (94157), 23392 states have call successors, (23392), 8537 states have call predecessors, (23392), 8513 states have return successors, (23504), 23146 states have call predecessors, (23504), 23392 states have call successors, (23504) [2024-12-02 15:48:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107404 states to 107404 states and 141053 transitions. [2024-12-02 15:48:50,834 INFO L78 Accepts]: Start accepts. Automaton has 107404 states and 141053 transitions. Word has length 556 [2024-12-02 15:48:50,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:50,835 INFO L471 AbstractCegarLoop]: Abstraction has 107404 states and 141053 transitions. [2024-12-02 15:48:50,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2024-12-02 15:48:50,835 INFO L276 IsEmpty]: Start isEmpty. Operand 107404 states and 141053 transitions. [2024-12-02 15:48:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2024-12-02 15:48:50,855 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:50,855 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:48:50,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 15:48:50,855 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:48:50,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:50,856 INFO L85 PathProgramCache]: Analyzing trace with hash -874167472, now seen corresponding path program 1 times [2024-12-02 15:48:50,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:50,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071835976] [2024-12-02 15:48:50,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:50,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2024-12-02 15:48:54,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071835976] [2024-12-02 15:48:54,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071835976] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:54,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:54,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:48:54,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274065437] [2024-12-02 15:48:54,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:54,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:54,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:54,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:54,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:54,939 INFO L87 Difference]: Start difference. First operand 107404 states and 141053 transitions. Second operand has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2024-12-02 15:48:58,978 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 [] [2024-12-02 15:49:06,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:06,275 INFO L93 Difference]: Finished difference Result 219618 states and 288243 transitions. [2024-12-02 15:49:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:49:06,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) Word has length 557 [2024-12-02 15:49:06,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:06,900 INFO L225 Difference]: With dead ends: 219618 [2024-12-02 15:49:06,900 INFO L226 Difference]: Without dead ends: 112300 [2024-12-02 15:49:07,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:07,192 INFO L435 NwaCegarLoop]: 5750 mSDtfsCounter, 1296 mSDsluCounter, 15886 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 21636 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:07,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 21636 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-12-02 15:49:07,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112300 states. [2024-12-02 15:49:13,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112300 to 107428. [2024-12-02 15:49:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107428 states, 75513 states have (on average 1.2471097691788169) internal successors, (94173), 76806 states have internal predecessors, (94173), 23392 states have call successors, (23392), 8537 states have call predecessors, (23392), 8521 states have return successors, (23512), 23154 states have call predecessors, (23512), 23392 states have call successors, (23512) [2024-12-02 15:49:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107428 states to 107428 states and 141077 transitions. [2024-12-02 15:49:13,924 INFO L78 Accepts]: Start accepts. Automaton has 107428 states and 141077 transitions. Word has length 557 [2024-12-02 15:49:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:13,924 INFO L471 AbstractCegarLoop]: Abstraction has 107428 states and 141077 transitions. [2024-12-02 15:49:13,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.4) internal successors, (212), 4 states have internal predecessors, (212), 3 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2024-12-02 15:49:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 107428 states and 141077 transitions. [2024-12-02 15:49:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2024-12-02 15:49:13,944 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:13,945 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 15, 15, 15, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:13,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 15:49:13,945 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:49:13,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:13,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1452439513, now seen corresponding path program 1 times [2024-12-02 15:49:13,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:13,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345896774] [2024-12-02 15:49:13,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:13,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 136 proven. 28 refuted. 0 times theorem prover too weak. 1517 trivial. 0 not checked. [2024-12-02 15:49:18,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:18,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345896774] [2024-12-02 15:49:18,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345896774] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:49:18,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884218582] [2024-12-02 15:49:18,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:18,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:49:18,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:49:18,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:49:18,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:49:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:24,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 5231 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:49:24,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:49:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 468 proven. 0 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2024-12-02 15:49:25,555 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:49:25,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884218582] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:25,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:49:25,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2024-12-02 15:49:25,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725236789] [2024-12-02 15:49:25,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:25,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:25,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:25,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:25,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:49:25,559 INFO L87 Difference]: Start difference. First operand 107428 states and 141077 transitions. Second operand has 5 states, 5 states have (on average 43.4) internal successors, (217), 4 states have internal predecessors, (217), 3 states have call successors, (56), 3 states have call predecessors, (56), 4 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2024-12-02 15:49:29,613 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 [] [2024-12-02 15:49:37,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:37,860 INFO L93 Difference]: Finished difference Result 224514 states and 294497 transitions. [2024-12-02 15:49:37,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:49:37,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.4) internal successors, (217), 4 states have internal predecessors, (217), 3 states have call successors, (56), 3 states have call predecessors, (56), 4 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) Word has length 558 [2024-12-02 15:49:37,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:38,579 INFO L225 Difference]: With dead ends: 224514 [2024-12-02 15:49:38,579 INFO L226 Difference]: Without dead ends: 117172 [2024-12-02 15:49:38,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:49:38,852 INFO L435 NwaCegarLoop]: 6478 mSDtfsCounter, 3482 mSDsluCounter, 16682 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3482 SdHoareTripleChecker+Valid, 23160 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:38,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3482 Valid, 23160 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 15:49:38,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117172 states. [2024-12-02 15:49:46,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117172 to 112340. [2024-12-02 15:49:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112340 states, 79005 states have (on average 1.2465413581418898) internal successors, (98483), 80338 states have internal predecessors, (98483), 24360 states have call successors, (24360), 8989 states have call predecessors, (24360), 8973 states have return successors, (24480), 24118 states have call predecessors, (24480), 24360 states have call successors, (24480) [2024-12-02 15:49:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112340 states to 112340 states and 147323 transitions. [2024-12-02 15:49:47,520 INFO L78 Accepts]: Start accepts. Automaton has 112340 states and 147323 transitions. Word has length 558 [2024-12-02 15:49:47,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:47,521 INFO L471 AbstractCegarLoop]: Abstraction has 112340 states and 147323 transitions. [2024-12-02 15:49:47,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.4) internal successors, (217), 4 states have internal predecessors, (217), 3 states have call successors, (56), 3 states have call predecessors, (56), 4 states have return successors, (55), 4 states have call predecessors, (55), 3 states have call successors, (55) [2024-12-02 15:49:47,521 INFO L276 IsEmpty]: Start isEmpty. Operand 112340 states and 147323 transitions. [2024-12-02 15:49:47,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2024-12-02 15:49:47,541 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:47,541 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:49:47,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:49:47,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-12-02 15:49:47,742 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:49:47,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:47,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1953097453, now seen corresponding path program 1 times [2024-12-02 15:49:47,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:47,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262566997] [2024-12-02 15:49:47,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:47,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1640 trivial. 0 not checked. [2024-12-02 15:49:51,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:51,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262566997] [2024-12-02 15:49:51,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262566997] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:51,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:51,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:49:51,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174477148] [2024-12-02 15:49:51,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:51,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:49:51,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:51,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:49:51,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:49:51,566 INFO L87 Difference]: Start difference. First operand 112340 states and 147323 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-12-02 15:49:55,611 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 [] [2024-12-02 15:50:04,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:04,028 INFO L93 Difference]: Finished difference Result 239694 states and 315161 transitions. [2024-12-02 15:50:04,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:50:04,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 573 [2024-12-02 15:50:04,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:04,640 INFO L225 Difference]: With dead ends: 239694 [2024-12-02 15:50:04,640 INFO L226 Difference]: Without dead ends: 127440 [2024-12-02 15:50:04,903 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 [2024-12-02 15:50:04,903 INFO L435 NwaCegarLoop]: 6994 mSDtfsCounter, 2992 mSDsluCounter, 4398 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2992 SdHoareTripleChecker+Valid, 11392 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:04,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2992 Valid, 11392 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:50:04,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127440 states. [2024-12-02 15:50:13,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127440 to 127432. [2024-12-02 15:50:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127432 states, 89533 states have (on average 1.2493158946980443) internal successors, (111855), 91098 states have internal predecessors, (111855), 27952 states have call successors, (27952), 9973 states have call predecessors, (27952), 9945 states have return successors, (28088), 27670 states have call predecessors, (28088), 27952 states have call successors, (28088) [2024-12-02 15:50:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127432 states to 127432 states and 167895 transitions. [2024-12-02 15:50:14,434 INFO L78 Accepts]: Start accepts. Automaton has 127432 states and 167895 transitions. Word has length 573 [2024-12-02 15:50:14,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:14,434 INFO L471 AbstractCegarLoop]: Abstraction has 127432 states and 167895 transitions. [2024-12-02 15:50:14,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-12-02 15:50:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 127432 states and 167895 transitions. [2024-12-02 15:50:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-12-02 15:50:14,461 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:14,461 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:14,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 15:50:14,461 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:50:14,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:14,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1112777558, now seen corresponding path program 1 times [2024-12-02 15:50:14,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:14,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132028918] [2024-12-02 15:50:14,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:14,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1746 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1712 trivial. 0 not checked. [2024-12-02 15:50:18,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:18,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132028918] [2024-12-02 15:50:18,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132028918] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:18,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:50:18,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:50:18,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500829292] [2024-12-02 15:50:18,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:18,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:50:18,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:18,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:50:18,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:50:18,302 INFO L87 Difference]: Start difference. First operand 127432 states and 167895 transitions. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-12-02 15:50:25,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:25,893 INFO L93 Difference]: Finished difference Result 254834 states and 335971 transitions. [2024-12-02 15:50:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:50:25,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 574 [2024-12-02 15:50:25,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:26,617 INFO L225 Difference]: With dead ends: 254834 [2024-12-02 15:50:26,617 INFO L226 Difference]: Without dead ends: 127488 [2024-12-02 15:50:26,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:50:26,938 INFO L435 NwaCegarLoop]: 4459 mSDtfsCounter, 0 mSDsluCounter, 8911 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13370 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:26,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13370 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:50:27,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127488 states. [2024-12-02 15:50:34,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127488 to 127488. [2024-12-02 15:50:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127488 states, 89589 states have (on average 1.2491600531315228) internal successors, (111911), 91154 states have internal predecessors, (111911), 27952 states have call successors, (27952), 9973 states have call predecessors, (27952), 9945 states have return successors, (28088), 27670 states have call predecessors, (28088), 27952 states have call successors, (28088) [2024-12-02 15:50:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127488 states to 127488 states and 167951 transitions. [2024-12-02 15:50:35,720 INFO L78 Accepts]: Start accepts. Automaton has 127488 states and 167951 transitions. Word has length 574 [2024-12-02 15:50:35,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:35,721 INFO L471 AbstractCegarLoop]: Abstraction has 127488 states and 167951 transitions. [2024-12-02 15:50:35,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2024-12-02 15:50:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 127488 states and 167951 transitions. [2024-12-02 15:50:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2024-12-02 15:50:35,756 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:50:35,756 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:35,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 15:50:35,757 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:50:35,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:50:35,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1350024505, now seen corresponding path program 1 times [2024-12-02 15:50:35,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:50:35,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99876549] [2024-12-02 15:50:35,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:35,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:50:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1818 backedges. 34 proven. 26 refuted. 0 times theorem prover too weak. 1758 trivial. 0 not checked. [2024-12-02 15:50:39,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:50:39,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99876549] [2024-12-02 15:50:39,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99876549] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:50:39,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097034789] [2024-12-02 15:50:39,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:50:39,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:50:39,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:50:39,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:50:39,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:50:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:50:46,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 6207 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:50:46,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:50:46,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1818 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2024-12-02 15:50:46,653 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:50:46,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097034789] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:50:46,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:50:46,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-12-02 15:50:46,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411100283] [2024-12-02 15:50:46,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:50:46,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:50:46,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:50:46,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:50:46,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:50:46,656 INFO L87 Difference]: Start difference. First operand 127488 states and 167951 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2024-12-02 15:50:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:54,122 INFO L93 Difference]: Finished difference Result 254974 states and 337941 transitions. [2024-12-02 15:50:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:50:54,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 677 [2024-12-02 15:50:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:54,969 INFO L225 Difference]: With dead ends: 254974 [2024-12-02 15:50:54,969 INFO L226 Difference]: Without dead ends: 127572 [2024-12-02 15:50:55,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 679 GetRequests, 678 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:50:55,284 INFO L435 NwaCegarLoop]: 4460 mSDtfsCounter, 0 mSDsluCounter, 4456 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8916 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:55,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8916 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:50:55,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127572 states. [2024-12-02 15:51:02,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127572 to 127572. [2024-12-02 15:51:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127572 states, 89673 states have (on average 1.2489266557380705) internal successors, (111995), 91238 states have internal predecessors, (111995), 27952 states have call successors, (27952), 9973 states have call predecessors, (27952), 9945 states have return successors, (28088), 27670 states have call predecessors, (28088), 27952 states have call successors, (28088) [2024-12-02 15:51:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127572 states to 127572 states and 168035 transitions. [2024-12-02 15:51:03,673 INFO L78 Accepts]: Start accepts. Automaton has 127572 states and 168035 transitions. Word has length 677 [2024-12-02 15:51:03,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:03,673 INFO L471 AbstractCegarLoop]: Abstraction has 127572 states and 168035 transitions. [2024-12-02 15:51:03,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 2 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2024-12-02 15:51:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 127572 states and 168035 transitions. [2024-12-02 15:51:03,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2024-12-02 15:51:03,709 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:03,709 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:03,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 15:51:03,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f777bcb9-0098-4caa-8526-40ee1ead275f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-12-02 15:51:03,910 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:51:03,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:03,910 INFO L85 PathProgramCache]: Analyzing trace with hash 653771588, now seen corresponding path program 1 times [2024-12-02 15:51:03,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:03,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870124516] [2024-12-02 15:51:03,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:03,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1818 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2024-12-02 15:51:08,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:08,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870124516] [2024-12-02 15:51:08,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870124516] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:08,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:08,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:51:08,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052425843] [2024-12-02 15:51:08,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:08,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:51:08,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:08,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:51:08,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:51:08,686 INFO L87 Difference]: Start difference. First operand 127572 states and 168035 transitions. Second operand has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-12-02 15:51:16,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:51:16,244 INFO L93 Difference]: Finished difference Result 255114 states and 336251 transitions. [2024-12-02 15:51:16,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:51:16,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 677 [2024-12-02 15:51:16,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:51:16,933 INFO L225 Difference]: With dead ends: 255114 [2024-12-02 15:51:16,933 INFO L226 Difference]: Without dead ends: 127628 [2024-12-02 15:51:17,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:51:17,246 INFO L435 NwaCegarLoop]: 4459 mSDtfsCounter, 0 mSDsluCounter, 8911 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13370 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:51:17,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13370 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:51:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127628 states. [2024-12-02 15:51:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127628 to 127628. [2024-12-02 15:51:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127628 states, 89729 states have (on average 1.2487713002485261) internal successors, (112051), 91294 states have internal predecessors, (112051), 27952 states have call successors, (27952), 9973 states have call predecessors, (27952), 9945 states have return successors, (28088), 27670 states have call predecessors, (28088), 27952 states have call successors, (28088) [2024-12-02 15:51:24,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127628 states to 127628 states and 168091 transitions. [2024-12-02 15:51:25,039 INFO L78 Accepts]: Start accepts. Automaton has 127628 states and 168091 transitions. Word has length 677 [2024-12-02 15:51:25,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:51:25,040 INFO L471 AbstractCegarLoop]: Abstraction has 127628 states and 168091 transitions. [2024-12-02 15:51:25,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.5) internal successors, (250), 4 states have internal predecessors, (250), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-12-02 15:51:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 127628 states and 168091 transitions. [2024-12-02 15:51:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2024-12-02 15:51:25,290 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:51:25,290 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:51:25,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 15:51:25,290 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:51:25,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:51:25,290 INFO L85 PathProgramCache]: Analyzing trace with hash 279811351, now seen corresponding path program 1 times [2024-12-02 15:51:25,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:51:25,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830994338] [2024-12-02 15:51:25,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:51:25,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:51:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:51:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1878 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1844 trivial. 0 not checked. [2024-12-02 15:51:29,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:51:29,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830994338] [2024-12-02 15:51:29,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830994338] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:51:29,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:51:29,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:51:29,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098553547] [2024-12-02 15:51:29,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:51:29,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:51:29,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:51:29,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:51:29,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:51:29,015 INFO L87 Difference]: Start difference. First operand 127628 states and 168091 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63)