./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:02,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:02,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:14:02,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:02,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:02,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:02,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:02,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:02,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:02,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:02,483 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:02,484 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:02,484 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:02,486 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:02,486 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:02,486 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:02,487 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:02,487 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:02,488 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:02,488 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:02,489 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:02,489 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:02,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:02,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:02,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:02,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:02,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:02,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:02,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:02,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:02,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:02,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:02,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:02,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:02,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:02,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:02,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:02,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:02,497 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:02,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:02,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:02,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:02,498 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:02,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:02,499 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 [2023-11-23 21:14:02,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:02,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:02,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:02,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:02,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:02,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-23 21:14:05,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:06,593 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:06,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-23 21:14:06,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/data/3d38e3eb9/7fbf8e324f3e41cd88fb40dc9b8c34cc/FLAG9aaddc663 [2023-11-23 21:14:06,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/data/3d38e3eb9/7fbf8e324f3e41cd88fb40dc9b8c34cc [2023-11-23 21:14:06,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:06,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:06,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:06,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:06,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:06,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ef0860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06, skipping insertion in model container [2023-11-23 21:14:06,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:10,758 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2023-11-23 21:14:10,762 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2023-11-23 21:14:10,763 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2023-11-23 21:14:10,763 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2023-11-23 21:14:10,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:10,979 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:11,145 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"); [6123] [2023-11-23 21:14:11,147 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)); [6130] [2023-11-23 21:14:11,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6137] [2023-11-23 21:14:11,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/a068ef8/linux-usb-dev/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6187-6188] [2023-11-23 21:14:11,151 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"); [6193-6195] [2023-11-23 21:14:11,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6295] [2023-11-23 21:14:11,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6303] [2023-11-23 21:14:11,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6310] [2023-11-23 21:14:11,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6317] [2023-11-23 21:14:11,169 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/dynamic_queue_limits.h"), "i" (74), "i" (12UL)); [6345-6346] [2023-11-23 21:14:11,177 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)); [6458-6459] [2023-11-23 21:14:11,180 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)); [6492-6493] [2023-11-23 21:14:11,182 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)); [6533-6534] [2023-11-23 21:14:11,199 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)); [6888-6889] [2023-11-23 21:14:11,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6895] [2023-11-23 21:14:11,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7111] [2023-11-23 21:14:11,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7151] [2023-11-23 21:14:11,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [7313] [2023-11-23 21:14:11,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7316] [2023-11-23 21:14:11,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7319] [2023-11-23 21:14:11,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [7322] [2023-11-23 21:14:11,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [7353] [2023-11-23 21:14:11,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7356] [2023-11-23 21:14:11,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7359] [2023-11-23 21:14:11,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [7362] [2023-11-23 21:14:11,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [7393] [2023-11-23 21:14:11,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7396] [2023-11-23 21:14:11,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7399] [2023-11-23 21:14:11,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [7402] [2023-11-23 21:14:11,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [7433] [2023-11-23 21:14:11,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7436] [2023-11-23 21:14:11,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7439] [2023-11-23 21:14:11,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [7442] [2023-11-23 21:14:11,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7852] [2023-11-23 21:14:11,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9288] [2023-11-23 21:14:11,535 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2023-11-23 21:14:11,536 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2023-11-23 21:14:11,536 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2023-11-23 21:14:11,537 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_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2023-11-23 21:14:11,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:11,866 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:11,867 WARN L675 CHandler]: The function __bad_unaligned_access_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:11,867 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:11,875 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:11,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11 WrapperNode [2023-11-23 21:14:11,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:11,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:11,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:11,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:11,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,370 INFO L138 Inliner]: procedures = 543, calls = 4132, calls flagged for inlining = 315, calls inlined = 293, statements flattened = 9715 [2023-11-23 21:14:12,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:12,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:12,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:12,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:12,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:12,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:12,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:12,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:12,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (1/1) ... [2023-11-23 21:14:12,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:12,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:12,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:12,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d785b4b1-ce96-4ba9-a34c-b04f46e7c489/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-11-23 21:14:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-11-23 21:14:12,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:14:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:14:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:14:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2023-11-23 21:14:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:14:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:14:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2023-11-23 21:14:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2023-11-23 21:14:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2023-11-23 21:14:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2023-11-23 21:14:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-23 21:14:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-23 21:14:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2023-11-23 21:14:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2023-11-23 21:14:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2023-11-23 21:14:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2023-11-23 21:14:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-23 21:14:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-23 21:14:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2023-11-23 21:14:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2023-11-23 21:14:13,002 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:14:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:14:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:14:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:14:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2023-11-23 21:14:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2023-11-23 21:14:13,003 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2023-11-23 21:14:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2023-11-23 21:14:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2023-11-23 21:14:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2023-11-23 21:14:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:14:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:14:13,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2023-11-23 21:14:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2023-11-23 21:14:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2023-11-23 21:14:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2023-11-23 21:14:13,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:14:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:14:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:14:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:14:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:14:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:14:13,006 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:14:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:14:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2023-11-23 21:14:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2023-11-23 21:14:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2023-11-23 21:14:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2023-11-23 21:14:13,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:14:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:14:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:14:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:14:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2023-11-23 21:14:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2023-11-23 21:14:13,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-23 21:14:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-23 21:14:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:14:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:14:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2023-11-23 21:14:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2023-11-23 21:14:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:14:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:14:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2023-11-23 21:14:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2023-11-23 21:14:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2023-11-23 21:14:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2023-11-23 21:14:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2023-11-23 21:14:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2023-11-23 21:14:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2023-11-23 21:14:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:14:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:14:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:14:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:14:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:14:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:14:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:14:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2023-11-23 21:14:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2023-11-23 21:14:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2023-11-23 21:14:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2023-11-23 21:14:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:14:13,014 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:14:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2023-11-23 21:14:13,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2023-11-23 21:14:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:14:13,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:14:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:14:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2023-11-23 21:14:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2023-11-23 21:14:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:14:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:14:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:14:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:14:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:14:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:14:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:14:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:14:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:14:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:14:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:14:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2023-11-23 21:14:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2023-11-23 21:14:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2023-11-23 21:14:13,018 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2023-11-23 21:14:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:14:13,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:14:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:14:13,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:14:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2023-11-23 21:14:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2023-11-23 21:14:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2023-11-23 21:14:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2023-11-23 21:14:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:14:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:14:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:14:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:14:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:14:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:14:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:14:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-23 21:14:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-23 21:14:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2023-11-23 21:14:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2023-11-23 21:14:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:14:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:14:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2023-11-23 21:14:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2023-11-23 21:14:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:14:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:14:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:14:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:14:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:14:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:14:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:14:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:14:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2023-11-23 21:14:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2023-11-23 21:14:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2023-11-23 21:14:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2023-11-23 21:14:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2023-11-23 21:14:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2023-11-23 21:14:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:14:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:14:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2023-11-23 21:14:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2023-11-23 21:14:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2023-11-23 21:14:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2023-11-23 21:14:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2023-11-23 21:14:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2023-11-23 21:14:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2023-11-23 21:14:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2023-11-23 21:14:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2023-11-23 21:14:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2023-11-23 21:14:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:14:13,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:14:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 21:14:13,028 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 21:14:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:14:13,029 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:14:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2023-11-23 21:14:13,029 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2023-11-23 21:14:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:14:13,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:14:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2023-11-23 21:14:13,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2023-11-23 21:14:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2023-11-23 21:14:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2023-11-23 21:14:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:14:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:14:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2023-11-23 21:14:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2023-11-23 21:14:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:13,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:14:13,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:14:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2023-11-23 21:14:13,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2023-11-23 21:14:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:14:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:14:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:14:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:14:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-11-23 21:14:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-11-23 21:14:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:14:13,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:14:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:14:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:14:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:14:13,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:14:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-11-23 21:14:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2023-11-23 21:14:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2023-11-23 21:14:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-23 21:14:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-23 21:14:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 21:14:13,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 21:14:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2023-11-23 21:14:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2023-11-23 21:14:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:14:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:14:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2023-11-23 21:14:13,035 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2023-11-23 21:14:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2023-11-23 21:14:13,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2023-11-23 21:14:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:14:13,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:14:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2023-11-23 21:14:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2023-11-23 21:14:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2023-11-23 21:14:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2023-11-23 21:14:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-11-23 21:14:13,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-11-23 21:14:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:14:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-11-23 21:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-11-23 21:14:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-11-23 21:14:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-11-23 21:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:14:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:14:13,039 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:14:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:14:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2023-11-23 21:14:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2023-11-23 21:14:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2023-11-23 21:14:13,040 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2023-11-23 21:14:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-23 21:14:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-11-23 21:14:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2023-11-23 21:14:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2023-11-23 21:14:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:14:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2023-11-23 21:14:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2023-11-23 21:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:14:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2023-11-23 21:14:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2023-11-23 21:14:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:14:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:14:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:14:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:14:13,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-23 21:14:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-11-23 21:14:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:14:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:14:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2023-11-23 21:14:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2023-11-23 21:14:13,044 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 21:14:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 21:14:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:14:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:14:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 21:14:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 21:14:13,045 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:14:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:14:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:14:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:14:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2023-11-23 21:14:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2023-11-23 21:14:13,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:14:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:14:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:14:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:14:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2023-11-23 21:14:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2023-11-23 21:14:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:14:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:14:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:14:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:14:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2023-11-23 21:14:13,048 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2023-11-23 21:14:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:14:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:14:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2023-11-23 21:14:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2023-11-23 21:14:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:14:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:14:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2023-11-23 21:14:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2023-11-23 21:14:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:14:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:14:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:14:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2023-11-23 21:14:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2023-11-23 21:14:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:14:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-23 21:14:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2023-11-23 21:14:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2023-11-23 21:14:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2023-11-23 21:14:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2023-11-23 21:14:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2023-11-23 21:14:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2023-11-23 21:14:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:14:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:14:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2023-11-23 21:14:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2023-11-23 21:14:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:14:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:14:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2023-11-23 21:14:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2023-11-23 21:14:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2023-11-23 21:14:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2023-11-23 21:14:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2023-11-23 21:14:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2023-11-23 21:14:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2023-11-23 21:14:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2023-11-23 21:14:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2023-11-23 21:14:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2023-11-23 21:14:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2023-11-23 21:14:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2023-11-23 21:14:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-11-23 21:14:13,055 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-11-23 21:14:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-23 21:14:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-23 21:14:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:14:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:14:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-23 21:14:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-23 21:14:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2023-11-23 21:14:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2023-11-23 21:14:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2023-11-23 21:14:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2023-11-23 21:14:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2023-11-23 21:14:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2023-11-23 21:14:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:14:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2023-11-23 21:14:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:14:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:14:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-23 21:14:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-23 21:14:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:14:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:14:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:14:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2023-11-23 21:14:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2023-11-23 21:14:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2023-11-23 21:14:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2023-11-23 21:14:14,198 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:14,208 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:14,390 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:14:26,393 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:14:27,006 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:33,228 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:33,228 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-23 21:14:33,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:33 BoogieIcfgContainer [2023-11-23 21:14:33,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:33,236 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:33,236 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:33,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:33,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:06" (1/3) ... [2023-11-23 21:14:33,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1995c97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:33, skipping insertion in model container [2023-11-23 21:14:33,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:11" (2/3) ... [2023-11-23 21:14:33,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1995c97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:33, skipping insertion in model container [2023-11-23 21:14:33,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:33" (3/3) ... [2023-11-23 21:14:33,247 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2023-11-23 21:14:33,268 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:33,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:14:33,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:33,409 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=FINITE_AUTOMATA, 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;@55bfcf3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:33,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:14:33,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 2393 states, 1378 states have (on average 1.2641509433962264) internal successors, (1742), 1420 states have internal predecessors, (1742), 852 states have call successors, (852), 165 states have call predecessors, (852), 164 states have return successors, (843), 829 states have call predecessors, (843), 843 states have call successors, (843) [2023-11-23 21:14:33,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-11-23 21:14:33,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:33,472 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:33,473 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:33,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash 762845905, now seen corresponding path program 1 times [2023-11-23 21:14:33,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:33,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471105674] [2023-11-23 21:14:33,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:33,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-23 21:14:35,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:35,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471105674] [2023-11-23 21:14:35,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471105674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:35,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:35,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:35,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141999145] [2023-11-23 21:14:35,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:35,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:35,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:35,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:35,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:35,284 INFO L87 Difference]: Start difference. First operand has 2393 states, 1378 states have (on average 1.2641509433962264) internal successors, (1742), 1420 states have internal predecessors, (1742), 852 states have call successors, (852), 165 states have call predecessors, (852), 164 states have return successors, (843), 829 states have call predecessors, (843), 843 states have call successors, (843) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-23 21:14:38,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:43,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:45,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:47,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:48,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:48,388 INFO L93 Difference]: Finished difference Result 6996 states and 10069 transitions. [2023-11-23 21:14:48,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:48,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 180 [2023-11-23 21:14:48,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:48,444 INFO L225 Difference]: With dead ends: 6996 [2023-11-23 21:14:48,445 INFO L226 Difference]: Without dead ends: 4623 [2023-11-23 21:14:48,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:48,466 INFO L413 NwaCegarLoop]: 2917 mSDtfsCounter, 3278 mSDsluCounter, 2873 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3278 SdHoareTripleChecker+Valid, 5790 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:48,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3278 Valid, 5790 Invalid, 981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 971 Invalid, 3 Unknown, 0 Unchecked, 12.4s Time] [2023-11-23 21:14:48,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2023-11-23 21:14:48,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 4621. [2023-11-23 21:14:48,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4621 states, 2668 states have (on average 1.2571214392803598) internal successors, (3354), 2741 states have internal predecessors, (3354), 1628 states have call successors, (1628), 324 states have call predecessors, (1628), 323 states have return successors, (1625), 1605 states have call predecessors, (1625), 1625 states have call successors, (1625) [2023-11-23 21:14:48,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 4621 states and 6607 transitions. [2023-11-23 21:14:48,910 INFO L78 Accepts]: Start accepts. Automaton has 4621 states and 6607 transitions. Word has length 180 [2023-11-23 21:14:48,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:48,913 INFO L495 AbstractCegarLoop]: Abstraction has 4621 states and 6607 transitions. [2023-11-23 21:14:48,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-23 21:14:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 4621 states and 6607 transitions. [2023-11-23 21:14:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-23 21:14:48,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:48,934 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:48,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:48,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:48,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:48,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1455557276, now seen corresponding path program 1 times [2023-11-23 21:14:48,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:48,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970158290] [2023-11-23 21:14:48,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:48,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-23 21:14:49,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:49,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970158290] [2023-11-23 21:14:49,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970158290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:49,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:49,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:49,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87032892] [2023-11-23 21:14:49,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:49,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:49,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:49,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:49,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:49,724 INFO L87 Difference]: Start difference. First operand 4621 states and 6607 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-23 21:14:52,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []