./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/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_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/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_29cf4b72-faca-4e84-9dab-e04dde717de1/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 54849713272284bcfc1d249b79bdfa502d33e8d1537f459c00022c26afd8a94c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:32:53,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:32:53,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:32:53,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:32:53,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:32:53,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:32:53,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:32:53,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:32:53,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:32:53,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:32:53,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:32:53,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:32:53,149 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:32:53,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:32:53,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:32:53,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:32:53,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:32:53,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:32:53,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:32:53,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:32:53,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:32:53,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:32:53,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:32:53,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:32:53,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:32:53,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:53,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:32:53,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:32:53,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:32:53,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:32:53,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:32:53,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:32:53,159 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:32:53,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:32:53,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:32:53,160 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:32:53,160 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_29cf4b72-faca-4e84-9dab-e04dde717de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54849713272284bcfc1d249b79bdfa502d33e8d1537f459c00022c26afd8a94c [2023-11-19 07:32:53,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:32:53,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:32:53,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:32:53,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:32:53,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:32:53,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2023-11-19 07:32:56,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:32:57,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:32:57,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2023-11-19 07:32:57,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/data/87806ff4c/09e5f89bdbc84a4cae0e8e4e28764ee9/FLAGeff3c9705 [2023-11-19 07:32:57,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/data/87806ff4c/09e5f89bdbc84a4cae0e8e4e28764ee9 [2023-11-19 07:32:57,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:32:57,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:32:57,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:57,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:32:57,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:32:57,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe02e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57, skipping insertion in model container [2023-11-19 07:32:57,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:58,003 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:33:03,729 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_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2023-11-19 07:33:03,735 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_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2023-11-19 07:33:03,736 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2023-11-19 07:33:03,737 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_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2023-11-19 07:33:03,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:33:03,852 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:33:04,021 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"); [6262] [2023-11-19 07:33:04,023 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)); [6269] [2023-11-19 07:33:04,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6276] [2023-11-19 07:33:04,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [6292] [2023-11-19 07:33:04,028 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6352-6353] [2023-11-19 07:33:04,028 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"); [6358-6360] [2023-11-19 07:33:04,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6387] [2023-11-19 07:33:04,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6394] [2023-11-19 07:33:04,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6450] [2023-11-19 07:33:04,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6453] [2023-11-19 07:33:04,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6456] [2023-11-19 07:33:04,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6459] [2023-11-19 07:33:04,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6553] [2023-11-19 07:33:04,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6561] [2023-11-19 07:33:04,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6568] [2023-11-19 07:33:04,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6575] [2023-11-19 07:33:04,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [6651-6652] [2023-11-19 07:33:04,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6681] [2023-11-19 07:33:04,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [6689-6690] [2023-11-19 07:33:04,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6765-6766] [2023-11-19 07:33:04,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6799-6800] [2023-11-19 07:33:04,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6840-6841] [2023-11-19 07:33:04,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6869-6870] [2023-11-19 07:33:04,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [7347-7348] [2023-11-19 07:33:04,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7354] [2023-11-19 07:33:04,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10425] [2023-11-19 07:33:04,562 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_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2023-11-19 07:33:04,562 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_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2023-11-19 07:33:04,564 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_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2023-11-19 07:33:04,564 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_29cf4b72-faca-4e84-9dab-e04dde717de1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2023-11-19 07:33:04,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:33:04,971 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:33:04,981 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:33:04,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04 WrapperNode [2023-11-19 07:33:04,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:33:04,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:33:04,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:33:04,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:33:04,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:05,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:05,600 INFO L138 Inliner]: procedures = 678, calls = 4062, calls flagged for inlining = 359, calls inlined = 333, statements flattened = 11627 [2023-11-19 07:33:05,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:33:05,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:33:05,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:33:05,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:33:05,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:05,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:05,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:05,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:05,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:05,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:06,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:06,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:06,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:33:06,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:33:06,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:33:06,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:33:06,211 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (1/1) ... [2023-11-19 07:33:06,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:33:06,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:33:06,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:33:06,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29cf4b72-faca-4e84-9dab-e04dde717de1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:33:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2023-11-19 07:33:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2023-11-19 07:33:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 07:33:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 07:33:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2023-11-19 07:33:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2023-11-19 07:33:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2023-11-19 07:33:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2023-11-19 07:33:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2023-11-19 07:33:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2023-11-19 07:33:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2023-11-19 07:33:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2023-11-19 07:33:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:33:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:33:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:33:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:33:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2023-11-19 07:33:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2023-11-19 07:33:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-11-19 07:33:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-11-19 07:33:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:33:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:33:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2023-11-19 07:33:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2023-11-19 07:33:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:33:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:33:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 07:33:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 07:33:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:33:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:33:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:33:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:33:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2023-11-19 07:33:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2023-11-19 07:33:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:33:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:33:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2023-11-19 07:33:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2023-11-19 07:33:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2023-11-19 07:33:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2023-11-19 07:33:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2023-11-19 07:33:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2023-11-19 07:33:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:33:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:33:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:33:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:33:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 07:33:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 07:33:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 07:33:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 07:33:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:33:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:33:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:33:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:33:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:33:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:33:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 07:33:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 07:33:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-19 07:33:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-19 07:33:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:33:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 07:33:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 07:33:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2023-11-19 07:33:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2023-11-19 07:33:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2023-11-19 07:33:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2023-11-19 07:33:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-19 07:33:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-19 07:33:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2023-11-19 07:33:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2023-11-19 07:33:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:33:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:33:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2023-11-19 07:33:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2023-11-19 07:33:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:33:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2023-11-19 07:33:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2023-11-19 07:33:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2023-11-19 07:33:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2023-11-19 07:33:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2023-11-19 07:33:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2023-11-19 07:33:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:33:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:33:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:33:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:33:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2023-11-19 07:33:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2023-11-19 07:33:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:33:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:33:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:33:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:33:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:33:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:33:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:33:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:33:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:33:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:33:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 07:33:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 07:33:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2023-11-19 07:33:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2023-11-19 07:33:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 07:33:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 07:33:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 07:33:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 07:33:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 07:33:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 07:33:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:33:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:33:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2023-11-19 07:33:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2023-11-19 07:33:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:33:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:33:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:33:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:33:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-19 07:33:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-19 07:33:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:33:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:33:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:33:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:33:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:33:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2023-11-19 07:33:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2023-11-19 07:33:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-19 07:33:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-19 07:33:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:33:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:33:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:33:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-19 07:33:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-19 07:33:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:33:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:33:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2023-11-19 07:33:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2023-11-19 07:33:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2023-11-19 07:33:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2023-11-19 07:33:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2023-11-19 07:33:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2023-11-19 07:33:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 07:33:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 07:33:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 07:33:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 07:33:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:33:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:33:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2023-11-19 07:33:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2023-11-19 07:33:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 07:33:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 07:33:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2023-11-19 07:33:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2023-11-19 07:33:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2023-11-19 07:33:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2023-11-19 07:33:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2023-11-19 07:33:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2023-11-19 07:33:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2023-11-19 07:33:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2023-11-19 07:33:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2023-11-19 07:33:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2023-11-19 07:33:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 07:33:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 07:33:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:33:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:33:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 07:33:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 07:33:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2023-11-19 07:33:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2023-11-19 07:33:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2023-11-19 07:33:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2023-11-19 07:33:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2023-11-19 07:33:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2023-11-19 07:33:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2023-11-19 07:33:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2023-11-19 07:33:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:33:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:33:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2023-11-19 07:33:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2023-11-19 07:33:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 07:33:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 07:33:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:33:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:33:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:33:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:33:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:33:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:33:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 07:33:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 07:33:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:33:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:33:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:33:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:33:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-19 07:33:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2023-11-19 07:33:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2023-11-19 07:33:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2023-11-19 07:33:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 07:33:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 07:33:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 07:33:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 07:33:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2023-11-19 07:33:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2023-11-19 07:33:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2023-11-19 07:33:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2023-11-19 07:33:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 07:33:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 07:33:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-19 07:33:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-19 07:33:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 07:33:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 07:33:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2023-11-19 07:33:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2023-11-19 07:33:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2023-11-19 07:33:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2023-11-19 07:33:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:33:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:33:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:33:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:33:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2023-11-19 07:33:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2023-11-19 07:33:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-19 07:33:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-19 07:33:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2023-11-19 07:33:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2023-11-19 07:33:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 07:33:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 07:33:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:33:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:33:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:33:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-19 07:33:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-19 07:33:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2023-11-19 07:33:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2023-11-19 07:33:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2023-11-19 07:33:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2023-11-19 07:33:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 07:33:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 07:33:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:33:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2023-11-19 07:33:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2023-11-19 07:33:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 07:33:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 07:33:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2023-11-19 07:33:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2023-11-19 07:33:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:33:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:33:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 07:33:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-19 07:33:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-19 07:33:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:33:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:33:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2023-11-19 07:33:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2023-11-19 07:33:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-19 07:33:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-19 07:33:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:33:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:33:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2023-11-19 07:33:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2023-11-19 07:33:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:33:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:33:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:33:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:33:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:33:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:33:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2023-11-19 07:33:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2023-11-19 07:33:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-19 07:33:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-19 07:33:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2023-11-19 07:33:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2023-11-19 07:33:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2023-11-19 07:33:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2023-11-19 07:33:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2023-11-19 07:33:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2023-11-19 07:33:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2023-11-19 07:33:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2023-11-19 07:33:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 07:33:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 07:33:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:33:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:33:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 07:33:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 07:33:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2023-11-19 07:33:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2023-11-19 07:33:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2023-11-19 07:33:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2023-11-19 07:33:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:33:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:33:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2023-11-19 07:33:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2023-11-19 07:33:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2023-11-19 07:33:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2023-11-19 07:33:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-19 07:33:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-19 07:33:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:33:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:33:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2023-11-19 07:33:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2023-11-19 07:33:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2023-11-19 07:33:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2023-11-19 07:33:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:33:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:33:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:33:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2023-11-19 07:33:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2023-11-19 07:33:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 07:33:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 07:33:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 07:33:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 07:33:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2023-11-19 07:33:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2023-11-19 07:33:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:33:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:33:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2023-11-19 07:33:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2023-11-19 07:33:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2023-11-19 07:33:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2023-11-19 07:33:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2023-11-19 07:33:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2023-11-19 07:33:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2023-11-19 07:33:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2023-11-19 07:33:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:33:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:33:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-19 07:33:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-19 07:33:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 07:33:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 07:33:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2023-11-19 07:33:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2023-11-19 07:33:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2023-11-19 07:33:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2023-11-19 07:33:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-19 07:33:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-19 07:33:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-19 07:33:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-19 07:33:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 07:33:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 07:33:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2023-11-19 07:33:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2023-11-19 07:33:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:33:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:33:06,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:33:07,717 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:33:07,728 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:33:08,464 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:33:21,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:33:21,211 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:33:21,211 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:33:21,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:21 BoogieIcfgContainer [2023-11-19 07:33:21,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:33:21,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:33:21,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:33:21,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:33:21,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:32:57" (1/3) ... [2023-11-19 07:33:21,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f74012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:21, skipping insertion in model container [2023-11-19 07:33:21,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:04" (2/3) ... [2023-11-19 07:33:21,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f74012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:21, skipping insertion in model container [2023-11-19 07:33:21,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:21" (3/3) ... [2023-11-19 07:33:21,256 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2023-11-19 07:33:21,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:33:21,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 07:33:21,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:33:21,468 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;@7327836, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:33:21,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-19 07:33:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 4514 states, 3221 states have (on average 1.3588947531822415) internal successors, (4377), 3276 states have internal predecessors, (4377), 1126 states have call successors, (1126), 163 states have call predecessors, (1126), 162 states have return successors, (1119), 1110 states have call predecessors, (1119), 1119 states have call successors, (1119) [2023-11-19 07:33:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 07:33:21,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:21,508 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:21,508 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:21,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:21,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1374175540, now seen corresponding path program 1 times [2023-11-19 07:33:21,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:21,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201131515] [2023-11-19 07:33:21,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:22,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:33:22,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:22,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201131515] [2023-11-19 07:33:22,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201131515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:22,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:22,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:22,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563813558] [2023-11-19 07:33:22,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:22,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:22,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:23,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:23,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:23,029 INFO L87 Difference]: Start difference. First operand has 4514 states, 3221 states have (on average 1.3588947531822415) internal successors, (4377), 3276 states have internal predecessors, (4377), 1126 states have call successors, (1126), 163 states have call predecessors, (1126), 162 states have return successors, (1119), 1110 states have call predecessors, (1119), 1119 states have call successors, (1119) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:33:23,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:23,992 INFO L93 Difference]: Finished difference Result 9001 states and 13428 transitions. [2023-11-19 07:33:23,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:23,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2023-11-19 07:33:23,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:24,068 INFO L225 Difference]: With dead ends: 9001 [2023-11-19 07:33:24,068 INFO L226 Difference]: Without dead ends: 4499 [2023-11-19 07:33:24,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:24,115 INFO L413 NwaCegarLoop]: 6505 mSDtfsCounter, 6480 mSDsluCounter, 12992 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6496 SdHoareTripleChecker+Valid, 19497 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:24,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6496 Valid, 19497 Invalid, 25 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:24,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4499 states. [2023-11-19 07:33:24,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4499 to 4499. [2023-11-19 07:33:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4499 states, 3214 states have (on average 1.3242065961418792) internal successors, (4256), 3265 states have internal predecessors, (4256), 1119 states have call successors, (1119), 163 states have call predecessors, (1119), 162 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2023-11-19 07:33:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4499 states to 4499 states and 6491 transitions. [2023-11-19 07:33:24,625 INFO L78 Accepts]: Start accepts. Automaton has 4499 states and 6491 transitions. Word has length 48 [2023-11-19 07:33:24,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:24,626 INFO L495 AbstractCegarLoop]: Abstraction has 4499 states and 6491 transitions. [2023-11-19 07:33:24,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:33:24,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4499 states and 6491 transitions. [2023-11-19 07:33:24,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 07:33:24,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:24,632 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:24,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:33:24,633 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:24,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:24,633 INFO L85 PathProgramCache]: Analyzing trace with hash 944975204, now seen corresponding path program 1 times [2023-11-19 07:33:24,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:24,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459056194] [2023-11-19 07:33:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:24,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:25,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:33:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 07:33:25,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:25,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459056194] [2023-11-19 07:33:25,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459056194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:25,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:25,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:25,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867529081] [2023-11-19 07:33:25,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:25,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:25,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:25,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:25,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:25,447 INFO L87 Difference]: Start difference. First operand 4499 states and 6491 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:33:25,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:25,960 INFO L93 Difference]: Finished difference Result 4505 states and 6496 transitions. [2023-11-19 07:33:25,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:25,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2023-11-19 07:33:25,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:26,008 INFO L225 Difference]: With dead ends: 4505 [2023-11-19 07:33:26,009 INFO L226 Difference]: Without dead ends: 4503 [2023-11-19 07:33:26,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:26,015 INFO L413 NwaCegarLoop]: 6488 mSDtfsCounter, 6456 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6470 SdHoareTripleChecker+Valid, 19440 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:26,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6470 Valid, 19440 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:26,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4503 states. [2023-11-19 07:33:26,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4503 to 4503. [2023-11-19 07:33:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4503 states, 3217 states have (on average 1.3239042586260492) internal successors, (4259), 3268 states have internal predecessors, (4259), 1119 states have call successors, (1119), 164 states have call predecessors, (1119), 163 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2023-11-19 07:33:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4503 states to 4503 states and 6494 transitions. [2023-11-19 07:33:26,433 INFO L78 Accepts]: Start accepts. Automaton has 4503 states and 6494 transitions. Word has length 53 [2023-11-19 07:33:26,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:26,434 INFO L495 AbstractCegarLoop]: Abstraction has 4503 states and 6494 transitions. [2023-11-19 07:33:26,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-19 07:33:26,435 INFO L276 IsEmpty]: Start isEmpty. Operand 4503 states and 6494 transitions. [2023-11-19 07:33:26,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 07:33:26,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:26,445 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:26,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:33:26,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:26,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:26,446 INFO L85 PathProgramCache]: Analyzing trace with hash -840861964, now seen corresponding path program 1 times [2023-11-19 07:33:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:26,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10245035] [2023-11-19 07:33:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:26,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:27,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:33:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:33:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-19 07:33:27,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:27,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10245035] [2023-11-19 07:33:27,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10245035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:27,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:27,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:27,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126710462] [2023-11-19 07:33:27,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:27,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:27,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:27,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:27,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:27,139 INFO L87 Difference]: Start difference. First operand 4503 states and 6494 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:33:27,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:27,640 INFO L93 Difference]: Finished difference Result 4509 states and 6499 transitions. [2023-11-19 07:33:27,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:27,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2023-11-19 07:33:27,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:27,693 INFO L225 Difference]: With dead ends: 4509 [2023-11-19 07:33:27,693 INFO L226 Difference]: Without dead ends: 4507 [2023-11-19 07:33:27,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:27,705 INFO L413 NwaCegarLoop]: 6488 mSDtfsCounter, 6456 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6469 SdHoareTripleChecker+Valid, 19440 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:27,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6469 Valid, 19440 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:27,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4507 states. [2023-11-19 07:33:28,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4507 to 4507. [2023-11-19 07:33:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4507 states, 3220 states have (on average 1.3236024844720498) internal successors, (4262), 3271 states have internal predecessors, (4262), 1119 states have call successors, (1119), 165 states have call predecessors, (1119), 164 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2023-11-19 07:33:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4507 states to 4507 states and 6497 transitions. [2023-11-19 07:33:28,115 INFO L78 Accepts]: Start accepts. Automaton has 4507 states and 6497 transitions. Word has length 58 [2023-11-19 07:33:28,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:28,117 INFO L495 AbstractCegarLoop]: Abstraction has 4507 states and 6497 transitions. [2023-11-19 07:33:28,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:33:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4507 states and 6497 transitions. [2023-11-19 07:33:28,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 07:33:28,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:28,121 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:28,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:33:28,122 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:28,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:28,122 INFO L85 PathProgramCache]: Analyzing trace with hash 145735460, now seen corresponding path program 1 times [2023-11-19 07:33:28,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:28,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427002629] [2023-11-19 07:33:28,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:28,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:33:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:33:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:33:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 07:33:28,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:28,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427002629] [2023-11-19 07:33:28,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427002629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:28,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:28,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:28,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663970824] [2023-11-19 07:33:28,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:28,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:28,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:28,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:28,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:28,858 INFO L87 Difference]: Start difference. First operand 4507 states and 6497 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:33:29,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:29,490 INFO L93 Difference]: Finished difference Result 4513 states and 6502 transitions. [2023-11-19 07:33:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:29,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2023-11-19 07:33:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:29,537 INFO L225 Difference]: With dead ends: 4513 [2023-11-19 07:33:29,537 INFO L226 Difference]: Without dead ends: 4511 [2023-11-19 07:33:29,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:29,544 INFO L413 NwaCegarLoop]: 6488 mSDtfsCounter, 6456 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6468 SdHoareTripleChecker+Valid, 19440 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:29,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6468 Valid, 19440 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4511 states. [2023-11-19 07:33:30,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4511 to 4511. [2023-11-19 07:33:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4511 states, 3223 states have (on average 1.3233012721067328) internal successors, (4265), 3274 states have internal predecessors, (4265), 1119 states have call successors, (1119), 166 states have call predecessors, (1119), 165 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2023-11-19 07:33:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4511 states and 6500 transitions. [2023-11-19 07:33:30,112 INFO L78 Accepts]: Start accepts. Automaton has 4511 states and 6500 transitions. Word has length 63 [2023-11-19 07:33:30,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:30,113 INFO L495 AbstractCegarLoop]: Abstraction has 4511 states and 6500 transitions. [2023-11-19 07:33:30,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 07:33:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4511 states and 6500 transitions. [2023-11-19 07:33:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 07:33:30,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:30,117 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:30,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:33:30,118 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:30,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:30,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1919669068, now seen corresponding path program 1 times [2023-11-19 07:33:30,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:30,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013416600] [2023-11-19 07:33:30,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:30,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:33:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:33:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:33:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:33:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:30,763 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-19 07:33:30,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:30,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013416600] [2023-11-19 07:33:30,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013416600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:30,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:30,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:30,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853480260] [2023-11-19 07:33:30,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:30,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:30,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:30,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:30,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:30,770 INFO L87 Difference]: Start difference. First operand 4511 states and 6500 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:33:31,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:31,320 INFO L93 Difference]: Finished difference Result 4517 states and 6505 transitions. [2023-11-19 07:33:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:31,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2023-11-19 07:33:31,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:31,366 INFO L225 Difference]: With dead ends: 4517 [2023-11-19 07:33:31,367 INFO L226 Difference]: Without dead ends: 4515 [2023-11-19 07:33:31,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:31,375 INFO L413 NwaCegarLoop]: 6488 mSDtfsCounter, 6456 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6467 SdHoareTripleChecker+Valid, 19440 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:31,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6467 Valid, 19440 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:31,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4515 states. [2023-11-19 07:33:31,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4515 to 4515. [2023-11-19 07:33:31,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4515 states, 3226 states have (on average 1.3230006199628022) internal successors, (4268), 3277 states have internal predecessors, (4268), 1119 states have call successors, (1119), 167 states have call predecessors, (1119), 166 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2023-11-19 07:33:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4515 states to 4515 states and 6503 transitions. [2023-11-19 07:33:31,868 INFO L78 Accepts]: Start accepts. Automaton has 4515 states and 6503 transitions. Word has length 68 [2023-11-19 07:33:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:31,869 INFO L495 AbstractCegarLoop]: Abstraction has 4515 states and 6503 transitions. [2023-11-19 07:33:31,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:33:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4515 states and 6503 transitions. [2023-11-19 07:33:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 07:33:31,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:31,871 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:31,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:33:31,872 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:31,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:31,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1833095396, now seen corresponding path program 1 times [2023-11-19 07:33:31,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:31,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750553011] [2023-11-19 07:33:31,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:31,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:33:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:33:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:33:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:33:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:33:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-19 07:33:32,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:32,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750553011] [2023-11-19 07:33:32,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750553011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:32,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:32,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:32,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724768688] [2023-11-19 07:33:32,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:32,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:32,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:32,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:32,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:32,412 INFO L87 Difference]: Start difference. First operand 4515 states and 6503 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:33:32,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:32,937 INFO L93 Difference]: Finished difference Result 4521 states and 6508 transitions. [2023-11-19 07:33:32,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:32,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2023-11-19 07:33:32,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:32,996 INFO L225 Difference]: With dead ends: 4521 [2023-11-19 07:33:32,996 INFO L226 Difference]: Without dead ends: 4519 [2023-11-19 07:33:33,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:33,002 INFO L413 NwaCegarLoop]: 6488 mSDtfsCounter, 6456 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6466 SdHoareTripleChecker+Valid, 19440 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:33,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6466 Valid, 19440 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:33,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2023-11-19 07:33:33,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4519. [2023-11-19 07:33:33,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4519 states, 3229 states have (on average 1.322700526478786) internal successors, (4271), 3280 states have internal predecessors, (4271), 1119 states have call successors, (1119), 168 states have call predecessors, (1119), 167 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2023-11-19 07:33:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 6506 transitions. [2023-11-19 07:33:33,433 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 6506 transitions. Word has length 73 [2023-11-19 07:33:33,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:33,434 INFO L495 AbstractCegarLoop]: Abstraction has 4519 states and 6506 transitions. [2023-11-19 07:33:33,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 07:33:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 6506 transitions. [2023-11-19 07:33:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 07:33:33,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:33,436 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:33,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:33:33,437 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:33,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:33,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1461740148, now seen corresponding path program 1 times [2023-11-19 07:33:33,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:33,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346737904] [2023-11-19 07:33:33,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:33,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:33:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:33:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:33:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:33:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:33:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:33:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 07:33:33,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:33,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346737904] [2023-11-19 07:33:33,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346737904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:33,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:33,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:33,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024832936] [2023-11-19 07:33:33,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:33,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:33,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:33,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:33,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:33,955 INFO L87 Difference]: Start difference. First operand 4519 states and 6506 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 07:33:34,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:34,525 INFO L93 Difference]: Finished difference Result 4525 states and 6511 transitions. [2023-11-19 07:33:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:34,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2023-11-19 07:33:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:34,555 INFO L225 Difference]: With dead ends: 4525 [2023-11-19 07:33:34,556 INFO L226 Difference]: Without dead ends: 4523 [2023-11-19 07:33:34,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:34,562 INFO L413 NwaCegarLoop]: 6488 mSDtfsCounter, 6456 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6465 SdHoareTripleChecker+Valid, 19440 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:34,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6465 Valid, 19440 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:34,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4523 states. [2023-11-19 07:33:35,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4523 to 4523. [2023-11-19 07:33:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4523 states, 3232 states have (on average 1.32240099009901) internal successors, (4274), 3283 states have internal predecessors, (4274), 1119 states have call successors, (1119), 169 states have call predecessors, (1119), 168 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2023-11-19 07:33:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 6509 transitions. [2023-11-19 07:33:35,058 INFO L78 Accepts]: Start accepts. Automaton has 4523 states and 6509 transitions. Word has length 78 [2023-11-19 07:33:35,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:35,060 INFO L495 AbstractCegarLoop]: Abstraction has 4523 states and 6509 transitions. [2023-11-19 07:33:35,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 07:33:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 4523 states and 6509 transitions. [2023-11-19 07:33:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 07:33:35,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:35,066 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:35,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:33:35,067 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:35,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:35,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1944871588, now seen corresponding path program 1 times [2023-11-19 07:33:35,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:35,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671391564] [2023-11-19 07:33:35,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:35,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:33:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:33:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:33:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:33:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-19 07:33:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:33:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-19 07:33:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-19 07:33:35,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:35,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671391564] [2023-11-19 07:33:35,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671391564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:35,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:35,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:35,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463905091] [2023-11-19 07:33:35,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:35,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:35,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:35,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:35,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:35,637 INFO L87 Difference]: Start difference. First operand 4523 states and 6509 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:33:36,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:36,195 INFO L93 Difference]: Finished difference Result 4529 states and 6514 transitions. [2023-11-19 07:33:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:36,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2023-11-19 07:33:36,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:36,222 INFO L225 Difference]: With dead ends: 4529 [2023-11-19 07:33:36,222 INFO L226 Difference]: Without dead ends: 4527 [2023-11-19 07:33:36,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:36,228 INFO L413 NwaCegarLoop]: 6488 mSDtfsCounter, 6456 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6464 SdHoareTripleChecker+Valid, 19440 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:36,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6464 Valid, 19440 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:33:36,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4527 states. [2023-11-19 07:33:36,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4527 to 4527. [2023-11-19 07:33:36,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4527 states, 3235 states have (on average 1.3221020092735702) internal successors, (4277), 3286 states have internal predecessors, (4277), 1119 states have call successors, (1119), 170 states have call predecessors, (1119), 169 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2023-11-19 07:33:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4527 states to 4527 states and 6512 transitions. [2023-11-19 07:33:36,751 INFO L78 Accepts]: Start accepts. Automaton has 4527 states and 6512 transitions. Word has length 83 [2023-11-19 07:33:36,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:36,752 INFO L495 AbstractCegarLoop]: Abstraction has 4527 states and 6512 transitions. [2023-11-19 07:33:36,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:33:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 4527 states and 6512 transitions. [2023-11-19 07:33:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 07:33:36,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:36,757 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:33:36,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:33:36,758 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:36,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:36,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1773700732, now seen corresponding path program 1 times [2023-11-19 07:33:36,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:36,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560604209] [2023-11-19 07:33:36,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:36,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-19 07:33:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:33:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:33:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:33:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:33:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:33:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:33:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-19 07:33:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:33:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:33:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-19 07:33:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-19 07:33:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:33:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:33:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-19 07:33:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2023-11-19 07:33:37,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:37,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560604209] [2023-11-19 07:33:37,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560604209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:37,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:37,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:33:37,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441794149] [2023-11-19 07:33:37,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:37,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:33:37,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:37,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:33:37,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:33:37,378 INFO L87 Difference]: Start difference. First operand 4527 states and 6512 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:33:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:33:37,978 INFO L93 Difference]: Finished difference Result 4795 states and 6885 transitions. [2023-11-19 07:33:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:33:37,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2023-11-19 07:33:37,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:33:38,005 INFO L225 Difference]: With dead ends: 4795 [2023-11-19 07:33:38,006 INFO L226 Difference]: Without dead ends: 4793 [2023-11-19 07:33:38,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:33:38,013 INFO L413 NwaCegarLoop]: 6732 mSDtfsCounter, 6352 mSDsluCounter, 13894 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6359 SdHoareTripleChecker+Valid, 20626 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:33:38,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6359 Valid, 20626 Invalid, 39 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:33:38,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4793 states. [2023-11-19 07:33:38,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4793 to 4791. [2023-11-19 07:33:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4791 states, 3449 states have (on average 1.3287909538996812) internal successors, (4583), 3501 states have internal predecessors, (4583), 1151 states have call successors, (1151), 188 states have call predecessors, (1151), 187 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2023-11-19 07:33:38,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4791 states to 4791 states and 6882 transitions. [2023-11-19 07:33:38,571 INFO L78 Accepts]: Start accepts. Automaton has 4791 states and 6882 transitions. Word has length 101 [2023-11-19 07:33:38,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:33:38,571 INFO L495 AbstractCegarLoop]: Abstraction has 4791 states and 6882 transitions. [2023-11-19 07:33:38,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:33:38,572 INFO L276 IsEmpty]: Start isEmpty. Operand 4791 states and 6882 transitions. [2023-11-19 07:33:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 07:33:38,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:33:38,574 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:38,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:33:38,575 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2023-11-19 07:33:38,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:38,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1384936548, now seen corresponding path program 1 times [2023-11-19 07:33:38,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:38,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847869254] [2023-11-19 07:33:38,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:38,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat