./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-atheros-atlx-atl2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:36,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:36,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:48:36,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:36,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:36,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:36,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:36,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:36,430 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:36,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:36,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:36,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:36,432 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:36,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:36,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:36,434 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:36,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:36,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:36,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:36,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:36,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:36,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:36,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:36,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:36,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:36,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:36,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:36,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:36,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:36,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:36,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:36,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:36,444 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:36,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:36,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:36,445 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:36,445 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a17c24f91a3bb3d64b949ed6598dfddc35ec4ff57290faa768ce9df2bba8e700 [2023-11-19 07:48:36,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:36,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:36,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:36,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:36,842 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:36,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-19 07:48:39,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:40,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:40,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-19 07:48:40,778 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/data/d5bcbf458/4baa82b14c744124a490792a6634c92c/FLAG90fa0ed1f [2023-11-19 07:48:40,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/data/d5bcbf458/4baa82b14c744124a490792a6634c92c [2023-11-19 07:48:40,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:40,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:40,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:40,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:40,826 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:40,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:40" (1/1) ... [2023-11-19 07:48:40,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c18f777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:40, skipping insertion in model container [2023-11-19 07:48:40,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:40" (1/1) ... [2023-11-19 07:48:41,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:45,130 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2023-11-19 07:48:45,135 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2023-11-19 07:48:45,136 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2023-11-19 07:48:45,136 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2023-11-19 07:48:45,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:45,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:45,456 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"); [5886] [2023-11-19 07:48:45,458 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)); [5893] [2023-11-19 07:48:45,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5900] [2023-11-19 07:48:45,460 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)); [5940-5941] [2023-11-19 07:48:45,461 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"); [5946-5948] [2023-11-19 07:48:45,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; nop": : : "memory"); [5962] [2023-11-19 07:48:45,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6038] [2023-11-19 07:48:45,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6041] [2023-11-19 07:48:45,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6044] [2023-11-19 07:48:45,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6047] [2023-11-19 07:48:45,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6657] [2023-11-19 07:48:45,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6660] [2023-11-19 07:48:45,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6663] [2023-11-19 07:48:45,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6666] [2023-11-19 07:48:45,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6697] [2023-11-19 07:48:45,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6700] [2023-11-19 07:48:45,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6703] [2023-11-19 07:48:45,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6706] [2023-11-19 07:48:45,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6737] [2023-11-19 07:48:45,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6740] [2023-11-19 07:48:45,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6743] [2023-11-19 07:48:45,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6746] [2023-11-19 07:48:45,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6777] [2023-11-19 07:48:45,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6780] [2023-11-19 07:48:45,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6783] [2023-11-19 07:48:45,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6786] [2023-11-19 07:48:45,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7986] [2023-11-19 07:48:45,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9616] [2023-11-19 07:48:45,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9990] [2023-11-19 07:48:45,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10003] [2023-11-19 07:48:45,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10027] [2023-11-19 07:48:45,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10040] [2023-11-19 07:48:45,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/atheros/atlx/atl2.c"), "i" (2966), "i" (12UL)); [10399-10400] [2023-11-19 07:48:45,776 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396127,396140] [2023-11-19 07:48:45,777 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396296,396309] [2023-11-19 07:48:45,778 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396463,396476] [2023-11-19 07:48:45,779 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i[396631,396644] [2023-11-19 07:48:45,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:46,110 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:46,110 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:46,111 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:48:46,119 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:46,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46 WrapperNode [2023-11-19 07:48:46,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:46,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:46,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:46,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:46,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,590 INFO L138 Inliner]: procedures = 537, calls = 2768, calls flagged for inlining = 264, calls inlined = 238, statements flattened = 7431 [2023-11-19 07:48:46,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:46,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:46,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:46,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:46,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:46,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:47,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:47,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:47,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:47,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:47,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:47,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (1/1) ... [2023-11-19 07:48:47,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:47,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:47,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:47,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4019c8b-60ee-4c7e-a995-bd794f929f69/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 07:48:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 07:48:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_eeprom_len [2023-11-19 07:48:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_eeprom_len [2023-11-19 07:48:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:48:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:48:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_nway_reset [2023-11-19 07:48:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_nway_reset [2023-11-19 07:48:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:48:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:48:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:48:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:48:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2023-11-19 07:48:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2023-11-19 07:48:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:48:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:48:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2023-11-19 07:48:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2023-11-19 07:48:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:48:47,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:48:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 07:48:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 07:48:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:48:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:48:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 07:48:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 07:48:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 07:48:47,212 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 07:48:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_irq [2023-11-19 07:48:47,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_irq [2023-11-19 07:48:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 07:48:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 07:48:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 07:48:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 07:48:47,214 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_close [2023-11-19 07:48:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_close [2023-11-19 07:48:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_speed_and_duplex [2023-11-19 07:48:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_speed_and_duplex [2023-11-19 07:48:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_force_ps [2023-11-19 07:48:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_force_ps [2023-11-19 07:48:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:48:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:48:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:48:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:48:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 07:48:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 07:48:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 07:48:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 07:48:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:48:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:48:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:48:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:48:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:48:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:48:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-19 07:48:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-19 07:48:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 07:48:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 07:48:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_write_phy_reg [2023-11-19 07:48:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_write_phy_reg [2023-11-19 07:48:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 07:48:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 07:48:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_vlan_mode [2023-11-19 07:48:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_vlan_mode [2023-11-19 07:48:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:48:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:48:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_up [2023-11-19 07:48:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_up [2023-11-19 07:48:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:48:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:48:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:48:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:48:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:48:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_tx_timeout [2023-11-19 07:48:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_tx_timeout [2023-11-19 07:48:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_enable [2023-11-19 07:48:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_enable [2023-11-19 07:48:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:48:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:48:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_poll_controller [2023-11-19 07:48:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_poll_controller [2023-11-19 07:48:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:48:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:48:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:48:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:48:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_irq_disable [2023-11-19 07:48:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_irq_disable [2023-11-19 07:48:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:48:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:48:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-19 07:48:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_stats_lock_of_atl2_adapter [2023-11-19 07:48:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 07:48:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 07:48:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 07:48:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 07:48:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-19 07:48:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-19 07:48:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 07:48:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 07:48:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:48:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:48:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_shutdown [2023-11-19 07:48:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_shutdown [2023-11-19 07:48:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure __atl2_vlan_mode [2023-11-19 07:48:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl2_vlan_mode [2023-11-19 07:48:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:48:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:48:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:48:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 07:48:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 07:48:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:48:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:48:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 07:48:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 07:48:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 07:48:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 07:48:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:48:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:48:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:48:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:48:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:48:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:48:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_set_multi [2023-11-19 07:48:47,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_set_multi [2023-11-19 07:48:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_phy_init [2023-11-19 07:48:47,247 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_phy_init [2023-11-19 07:48:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:48:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:48:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_configure [2023-11-19 07:48:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_configure [2023-11-19 07:48:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reset_hw [2023-11-19 07:48:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reset_hw [2023-11-19 07:48:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 07:48:47,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 07:48:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 07:48:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 07:48:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_open [2023-11-19 07:48:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_open [2023-11-19 07:48:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:48:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:48:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 07:48:47,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 07:48:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_validate_option [2023-11-19 07:48:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_validate_option [2023-11-19 07:48:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-19 07:48:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_atl2_adapter [2023-11-19 07:48:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:48:47,250 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:48:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_intr [2023-11-19 07:48:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_intr [2023-11-19 07:48:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:48:47,251 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:48:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:48:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:48:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:48:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:48:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:48:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:48:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:48:47,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:48:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-19 07:48:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 07:48:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 07:48:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_remove [2023-11-19 07:48:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_remove [2023-11-19 07:48:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_eeprom [2023-11-19 07:48:47,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_eeprom [2023-11-19 07:48:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 07:48:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 07:48:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:48:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:48:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:48:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:48:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_request_irq [2023-11-19 07:48:47,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_request_irq [2023-11-19 07:48:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:48:47,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:48:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_read_phy_reg [2023-11-19 07:48:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_read_phy_reg [2023-11-19 07:48:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-19 07:48:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-19 07:48:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:48:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:48:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-19 07:48:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-19 07:48:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:48:47,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:48:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:48:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 07:48:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 07:48:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_suspend [2023-11-19 07:48:47,259 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_suspend [2023-11-19 07:48:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:48:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:48:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:48:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_reinit_locked [2023-11-19 07:48:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_reinit_locked [2023-11-19 07:48:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:48:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:48:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:48:47,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:48:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 07:48:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 07:48:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_resume [2023-11-19 07:48:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_resume [2023-11-19 07:48:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:48:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:48:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 07:48:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 07:48:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2023-11-19 07:48:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2023-11-19 07:48:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:48:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:48:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:48:47,262 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:48:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:48:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:48:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_get_regs_len [2023-11-19 07:48:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_get_regs_len [2023-11-19 07:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_check_eeprom_exist [2023-11-19 07:48:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_check_eeprom_exist [2023-11-19 07:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 07:48:47,263 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 07:48:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_restore_vlan [2023-11-19 07:48:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_restore_vlan [2023-11-19 07:48:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 07:48:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 07:48:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2023-11-19 07:48:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2023-11-19 07:48:47,264 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring_ptrs [2023-11-19 07:48:47,264 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring_ptrs [2023-11-19 07:48:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 07:48:47,265 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 07:48:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-19 07:48:47,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-19 07:48:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_free_ring_resources [2023-11-19 07:48:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_free_ring_resources [2023-11-19 07:48:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:48:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:48:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_down [2023-11-19 07:48:47,270 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_down [2023-11-19 07:48:47,270 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 07:48:47,271 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 07:48:47,271 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 07:48:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 07:48:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 07:48:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 07:48:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:48:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:48:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl2_init_hw [2023-11-19 07:48:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atl2_init_hw [2023-11-19 07:48:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:48:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:48:47,274 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-19 07:48:48,315 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:48,324 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:48,459 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:48:56,260 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:48:56,849 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:56,888 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:56,888 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 07:48:56,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:56 BoogieIcfgContainer [2023-11-19 07:48:56,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:56,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:56,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:56,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:56,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:40" (1/3) ... [2023-11-19 07:48:56,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d67c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:56, skipping insertion in model container [2023-11-19 07:48:56,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:46" (2/3) ... [2023-11-19 07:48:56,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d67c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:56, skipping insertion in model container [2023-11-19 07:48:56,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:56" (3/3) ... [2023-11-19 07:48:56,922 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atlx-atl2.cil.i [2023-11-19 07:48:56,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:56,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 07:48:57,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:57,135 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@773514fb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:57,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 07:48:57,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 2769 states, 2003 states have (on average 1.3559660509236147) internal successors, (2716), 2025 states have internal predecessors, (2716), 643 states have call successors, (643), 121 states have call predecessors, (643), 120 states have return successors, (638), 636 states have call predecessors, (638), 638 states have call successors, (638) [2023-11-19 07:48:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 07:48:57,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:57,178 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:57,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:48:57,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:57,185 INFO L85 PathProgramCache]: Analyzing trace with hash 111346683, now seen corresponding path program 1 times [2023-11-19 07:48:57,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:57,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427506643] [2023-11-19 07:48:57,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:57,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:48:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:48:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:48:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:48:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:48:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:48:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:48:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:48:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:48:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:48:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:48:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:48:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:48:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-19 07:48:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 07:48:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2023-11-19 07:48:58,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:58,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427506643] [2023-11-19 07:48:58,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427506643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:58,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:58,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:48:58,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885305575] [2023-11-19 07:48:58,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:58,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:58,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:58,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:58,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:58,882 INFO L87 Difference]: Start difference. First operand has 2769 states, 2003 states have (on average 1.3559660509236147) internal successors, (2716), 2025 states have internal predecessors, (2716), 643 states have call successors, (643), 121 states have call predecessors, (643), 120 states have return successors, (638), 636 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 07:49:08,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:08,338 INFO L93 Difference]: Finished difference Result 8424 states and 12417 transitions. [2023-11-19 07:49:08,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:49:08,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 167 [2023-11-19 07:49:08,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:08,426 INFO L225 Difference]: With dead ends: 8424 [2023-11-19 07:49:08,426 INFO L226 Difference]: Without dead ends: 5674 [2023-11-19 07:49:08,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:49:08,460 INFO L413 NwaCegarLoop]: 2846 mSDtfsCounter, 5454 mSDsluCounter, 4152 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 1757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 6998 SdHoareTripleChecker+Invalid, 4737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1757 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:08,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 6998 Invalid, 4737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1757 Valid, 2980 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-11-19 07:49:08,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5674 states. [2023-11-19 07:49:08,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5674 to 5362. [2023-11-19 07:49:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5362 states, 3889 states have (on average 1.3265620982257649) internal successors, (5159), 3931 states have internal predecessors, (5159), 1233 states have call successors, (1233), 238 states have call predecessors, (1233), 237 states have return successors, (1230), 1226 states have call predecessors, (1230), 1230 states have call successors, (1230) [2023-11-19 07:49:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5362 states to 5362 states and 7622 transitions. [2023-11-19 07:49:09,032 INFO L78 Accepts]: Start accepts. Automaton has 5362 states and 7622 transitions. Word has length 167 [2023-11-19 07:49:09,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:09,034 INFO L495 AbstractCegarLoop]: Abstraction has 5362 states and 7622 transitions. [2023-11-19 07:49:09,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 07:49:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 5362 states and 7622 transitions. [2023-11-19 07:49:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 07:49:09,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:09,043 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:09,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:49:09,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:49:09,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:09,045 INFO L85 PathProgramCache]: Analyzing trace with hash 460051114, now seen corresponding path program 1 times [2023-11-19 07:49:09,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:09,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762780509] [2023-11-19 07:49:09,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:09,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:49:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:49:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:49:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:49:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:49:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:49:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:49:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:49:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:49:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:49:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:49:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:49:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:49:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-19 07:49:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-19 07:49:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2023-11-19 07:49:09,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:09,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762780509] [2023-11-19 07:49:09,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762780509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:09,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:09,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:49:09,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120102450] [2023-11-19 07:49:09,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:09,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:49:09,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:09,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:49:09,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:09,972 INFO L87 Difference]: Start difference. First operand 5362 states and 7622 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 07:49:19,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:19,738 INFO L93 Difference]: Finished difference Result 16418 states and 23483 transitions. [2023-11-19 07:49:19,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:49:19,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2023-11-19 07:49:19,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:19,858 INFO L225 Difference]: With dead ends: 16418 [2023-11-19 07:49:19,858 INFO L226 Difference]: Without dead ends: 11087 [2023-11-19 07:49:19,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:49:19,893 INFO L413 NwaCegarLoop]: 2845 mSDtfsCounter, 5410 mSDsluCounter, 4110 mSDsCounter, 0 mSdLazyCounter, 2942 mSolverCounterSat, 1793 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5979 SdHoareTripleChecker+Valid, 6955 SdHoareTripleChecker+Invalid, 4735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1793 IncrementalHoareTripleChecker+Valid, 2942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:19,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5979 Valid, 6955 Invalid, 4735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1793 Valid, 2942 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-19 07:49:19,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11087 states. [2023-11-19 07:49:20,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11087 to 10449. [2023-11-19 07:49:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10449 states, 7623 states have (on average 1.3317591499409682) internal successors, (10152), 7715 states have internal predecessors, (10152), 2358 states have call successors, (2358), 472 states have call predecessors, (2358), 465 states have return successors, (2379), 2323 states have call predecessors, (2379), 2355 states have call successors, (2379) [2023-11-19 07:49:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10449 states to 10449 states and 14889 transitions. [2023-11-19 07:49:20,711 INFO L78 Accepts]: Start accepts. Automaton has 10449 states and 14889 transitions. Word has length 171 [2023-11-19 07:49:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:20,714 INFO L495 AbstractCegarLoop]: Abstraction has 10449 states and 14889 transitions. [2023-11-19 07:49:20,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 07:49:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 10449 states and 14889 transitions. [2023-11-19 07:49:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-19 07:49:20,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:20,726 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:20,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:49:20,726 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:49:20,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:20,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1590941000, now seen corresponding path program 1 times [2023-11-19 07:49:20,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:20,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103390980] [2023-11-19 07:49:20,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:20,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:49:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:49:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:49:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:49:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:49:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:49:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:49:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:49:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:49:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:49:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:49:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:49:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:49:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:49:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-19 07:49:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-19 07:49:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-19 07:49:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-19 07:49:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,541 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2023-11-19 07:49:21,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:21,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103390980] [2023-11-19 07:49:21,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103390980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:21,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:21,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:49:21,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005791534] [2023-11-19 07:49:21,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:21,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:49:21,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:21,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:49:21,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:49:21,545 INFO L87 Difference]: Start difference. First operand 10449 states and 14889 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)