./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.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_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/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_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/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_518de05e-44e2-4ad7-9bc8-b6a85df00545/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 23f9845edcf139ee9434428d040789a6781b16714bf615b854712f008daec6fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:56,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:56,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:23:56,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:56,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:56,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:56,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:56,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:56,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:56,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:56,888 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:56,890 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:56,891 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:56,893 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:56,893 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:56,894 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:56,895 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:56,895 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:56,896 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:56,897 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:56,897 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:56,898 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:56,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:56,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:56,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:56,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:56,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:56,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:56,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:56,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:56,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:56,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:56,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:56,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:56,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:56,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:56,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:56,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:56,908 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:56,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:56,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:56,909 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:56,910 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:56,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:56,912 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23f9845edcf139ee9434428d040789a6781b16714bf615b854712f008daec6fd [2023-11-23 21:23:57,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:57,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:57,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:57,292 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:57,292 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:57,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2023-11-23 21:24:00,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:01,369 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:01,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2023-11-23 21:24:01,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/data/c056b47bb/7276431e5304486c95e791bb19e2ce5c/FLAG46937f0c0 [2023-11-23 21:24:01,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/data/c056b47bb/7276431e5304486c95e791bb19e2ce5c [2023-11-23 21:24:01,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:01,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:01,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:01,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:01,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:01,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:01" (1/1) ... [2023-11-23 21:24:01,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd2dd88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:01, skipping insertion in model container [2023-11-23 21:24:01,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:01" (1/1) ... [2023-11-23 21:24:01,705 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:05,211 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i[338234,338247] [2023-11-23 21:24:05,215 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i[338403,338416] [2023-11-23 21:24:05,215 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i[338570,338583] [2023-11-23 21:24:05,226 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i[338738,338751] [2023-11-23 21:24:05,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:05,291 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:05,462 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"); [5347] [2023-11-23 21:24:05,465 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)); [5354] [2023-11-23 21:24:05,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5361] [2023-11-23 21:24:05,468 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)); [5407-5408] [2023-11-23 21:24:05,468 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"); [5413-5415] [2023-11-23 21:24:05,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5475] [2023-11-23 21:24:05,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5478] [2023-11-23 21:24:05,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5481] [2023-11-23 21:24:05,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5484] [2023-11-23 21:24:05,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5582] [2023-11-23 21:24:05,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5590] [2023-11-23 21:24:05,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5620] [2023-11-23 21:24:05,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5628] [2023-11-23 21:24:05,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5635] [2023-11-23 21:24:05,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5643] [2023-11-23 21:24:05,484 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)); [5711-5712] [2023-11-23 21:24:05,486 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)); [5745-5746] [2023-11-23 21:24:05,813 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i[338234,338247] [2023-11-23 21:24:05,814 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i[338403,338416] [2023-11-23 21:24:05,815 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i[338570,338583] [2023-11-23 21:24:05,816 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_518de05e-44e2-4ad7-9bc8-b6a85df00545/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i[338738,338751] [2023-11-23 21:24:05,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:06,037 WARN L675 CHandler]: The function __request_region is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:06,037 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:06,045 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:06,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06 WrapperNode [2023-11-23 21:24:06,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:06,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:06,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:06,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:06,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,489 INFO L138 Inliner]: procedures = 431, calls = 2338, calls flagged for inlining = 196, calls inlined = 180, statements flattened = 6108 [2023-11-23 21:24:06,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:06,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:06,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:06,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:06,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:06,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:07,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:07,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:07,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:07,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:07,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (1/1) ... [2023-11-23 21:24:07,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:07,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:07,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:07,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518de05e-44e2-4ad7-9bc8-b6a85df00545/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2023-11-23 21:24:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2023-11-23 21:24:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:24:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:24:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:24:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:24:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:24:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:24:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2023-11-23 21:24:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2023-11-23 21:24:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:24:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:24:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_3 [2023-11-23 21:24:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_3 [2023-11-23 21:24:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2023-11-23 21:24:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2023-11-23 21:24:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:24:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:24:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:24:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:24:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2023-11-23 21:24:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2023-11-23 21:24:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tlan_priv [2023-11-23 21:24:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tlan_priv [2023-11-23 21:24:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2023-11-23 21:24:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2023-11-23 21:24:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2023-11-23 21:24:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2023-11-23 21:24:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:24:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:24:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:24:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:24:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:24:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:24:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:24:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:24:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:24:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:24:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:24:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:24:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:24:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:24:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:24:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2023-11-23 21:24:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2023-11-23 21:24:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2023-11-23 21:24:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2023-11-23 21:24:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_65 [2023-11-23 21:24:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_65 [2023-11-23 21:24:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:24:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:24:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2023-11-23 21:24:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2023-11-23 21:24:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 21:24:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 21:24:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tlan_priv [2023-11-23 21:24:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tlan_priv [2023-11-23 21:24:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2023-11-23 21:24:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2023-11-23 21:24:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2023-11-23 21:24:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2023-11-23 21:24:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:24:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:24:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:24:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:24:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:24:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:24:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:24:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:24:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:24:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:24:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:24:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2023-11-23 21:24:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2023-11-23 21:24:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_timer [2023-11-23 21:24:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_timer [2023-11-23 21:24:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_3_2 [2023-11-23 21:24:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_3_2 [2023-11-23 21:24:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2023-11-23 21:24:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2023-11-23 21:24:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:24:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:24:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:24:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:24:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2023-11-23 21:24:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2023-11-23 21:24:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2023-11-23 21:24:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2023-11-23 21:24:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2023-11-23 21:24:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2023-11-23 21:24:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:24:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2023-11-23 21:24:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2023-11-23 21:24:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2023-11-23 21:24:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2023-11-23 21:24:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:24:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:24:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:24:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:24:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:24:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:24:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:24:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:24:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:24:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:24:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2023-11-23 21:24:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2023-11-23 21:24:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:24:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:24:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:24:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:24:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:24:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:24:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2023-11-23 21:24:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2023-11-23 21:24:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 21:24:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 21:24:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2023-11-23 21:24:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2023-11-23 21:24:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2023-11-23 21:24:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2023-11-23 21:24:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-23 21:24:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-23 21:24:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_up [2023-11-23 21:24:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_up [2023-11-23 21:24:07,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:24:07,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:24:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:24:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:24:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:24:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:24:07,188 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2023-11-23 21:24:07,188 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2023-11-23 21:24:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2023-11-23 21:24:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2023-11-23 21:24:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2023-11-23 21:24:07,189 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2023-11-23 21:24:07,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:24:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:24:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_finish_auto_neg [2023-11-23 21:24:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_finish_auto_neg [2023-11-23 21:24:07,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:24:07,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:24:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:24:07,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:24:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-23 21:24:07,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-23 21:24:07,191 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_start_link [2023-11-23 21:24:07,191 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_start_link [2023-11-23 21:24:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:24:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2023-11-23 21:24:07,192 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2023-11-23 21:24:07,192 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:24:07,192 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:24:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:24:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:24:07,193 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:24:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2023-11-23 21:24:07,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2023-11-23 21:24:07,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:24:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:24:07,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:24:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2023-11-23 21:24:07,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2023-11-23 21:24:07,194 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2023-11-23 21:24:07,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2023-11-23 21:24:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-23 21:24:07,195 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-23 21:24:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:24:07,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:24:07,195 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-23 21:24:07,196 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-23 21:24:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:24:07,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:24:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-23 21:24:07,196 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-23 21:24:07,196 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2023-11-23 21:24:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2023-11-23 21:24:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2023-11-23 21:24:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2023-11-23 21:24:07,197 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:24:07,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:24:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:24:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:24:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2023-11-23 21:24:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2023-11-23 21:24:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:24:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:24:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2023-11-23 21:24:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2023-11-23 21:24:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2023-11-23 21:24:07,199 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2023-11-23 21:24:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:24:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2023-11-23 21:24:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2023-11-23 21:24:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:24:07,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:24:07,200 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2023-11-23 21:24:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2023-11-23 21:24:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:24:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:24:07,201 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2023-11-23 21:24:07,201 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2023-11-23 21:24:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2023-11-23 21:24:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2023-11-23 21:24:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_reset [2023-11-23 21:24:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_reset [2023-11-23 21:24:07,202 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2023-11-23 21:24:07,202 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2023-11-23 21:24:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:24:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:24:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2023-11-23 21:24:07,203 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2023-11-23 21:24:07,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:24:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:24:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-23 21:24:07,204 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-23 21:24:07,204 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-23 21:24:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-23 21:24:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:24:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:24:07,205 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-23 21:24:07,205 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-23 21:24:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:24:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:24:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 21:24:07,206 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 21:24:07,206 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-23 21:24:07,207 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-23 21:24:08,175 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:08,180 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:09,629 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:24:13,712 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume 0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616; [2023-11-23 21:24:13,712 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume !(0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616); [2023-11-23 21:24:13,713 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2023-11-23 21:24:13,714 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7042: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2023-11-23 21:24:13,715 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6976-2: SUMMARY for call tlan_eisa_probe_#t~ret365#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:24:13,715 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6976: assume 16 == ~debug~0; [2023-11-23 21:24:13,715 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6976: assume !(16 == ~debug~0); [2023-11-23 21:24:13,715 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978: SUMMARY for call tlan_eisa_probe_#t~ret364#1 := printk(46, 0); srcloc: null [2023-11-23 21:24:13,715 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6978-1: assume -2147483648 <= tlan_eisa_probe_#t~ret364#1 && tlan_eisa_probe_#t~ret364#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret364#1; [2023-11-23 21:24:13,716 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret361#1;havoc tlan_eisa_probe_#t~ret361#1; [2023-11-23 21:24:13,716 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: SUMMARY for call tlan_eisa_probe_#t~ret361#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:24:13,716 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2023-11-23 21:24:13,716 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2023-11-23 21:24:13,716 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6983: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret365#1;havoc tlan_eisa_probe_#t~ret365#1; [2023-11-23 21:24:13,716 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_32#1: tlan_eisa_probe_~irq~0#1 := 9; [2023-11-23 21:24:13,717 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6951: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:24:13,717 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918-3: assume 0 != tlan_eisa_probe_#t~nondet352#1;havoc tlan_eisa_probe_#t~nondet352#1; [2023-11-23 21:24:13,717 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918-3: assume !(0 != tlan_eisa_probe_#t~nondet352#1);havoc tlan_eisa_probe_#t~nondet352#1; [2023-11-23 21:24:13,717 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet352#1 := ~debug~0; [2023-11-23 21:24:13,717 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet352#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet352#1 <= 16;assume tlan_eisa_probe_#t~nondet352#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet352#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet352#1 >= -2147483648; [2023-11-23 21:24:13,718 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet355#1 := 0; [2023-11-23 21:24:13,718 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6918-5: assume !(0 == ~debug~0); [2023-11-23 21:24:13,718 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: assume 16 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:24:13,718 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: assume !(16 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296)); [2023-11-23 21:24:13,718 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6920-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret353#1;havoc tlan_eisa_probe_#t~ret353#1; [2023-11-23 21:24:13,718 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6920: SUMMARY for call tlan_eisa_probe_#t~ret353#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:24:13,719 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921-1: assume -2147483648 <= tlan_eisa_probe_#t~ret354#1 && tlan_eisa_probe_#t~ret354#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret354#1; [2023-11-23 21:24:13,719 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6921: SUMMARY for call tlan_eisa_probe_#t~ret354#1 := printk(43, 0); srcloc: null [2023-11-23 21:24:13,719 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7021: assume -2147483648 <= tlan_eisa_probe_#t~ret366#1 && tlan_eisa_probe_#t~ret366#1 <= 2147483647;tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret366#1;havoc tlan_eisa_probe_#t~ret366#1; [2023-11-23 21:24:13,719 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_64#1: tlan_eisa_probe_~irq~0#1 := 10; [2023-11-23 21:24:13,719 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6990: assume 32 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:24:13,719 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6990: assume !(32 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296)); [2023-11-23 21:24:13,720 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6957-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret362#1;havoc tlan_eisa_probe_#t~ret362#1; [2023-11-23 21:24:13,720 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6957: SUMMARY for call tlan_eisa_probe_#t~ret362#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:24:13,720 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925-3: assume 0 != tlan_eisa_probe_#t~nondet355#1;havoc tlan_eisa_probe_#t~nondet355#1; [2023-11-23 21:24:13,720 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925-3: assume !(0 != tlan_eisa_probe_#t~nondet355#1);havoc tlan_eisa_probe_#t~nondet355#1; [2023-11-23 21:24:13,720 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet355#1 := ~debug~0; [2023-11-23 21:24:13,720 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet355#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet355#1 <= 16;assume tlan_eisa_probe_#t~nondet355#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet355#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet355#1 >= -2147483648; [2023-11-23 21:24:13,721 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925-5: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet358#1 := 0; [2023-11-23 21:24:13,721 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925-5: assume !(0 == ~debug~0); [2023-11-23 21:24:13,721 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6959: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2023-11-23 21:24:13,721 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6959: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2023-11-23 21:24:13,721 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret356#1;havoc tlan_eisa_probe_#t~ret356#1; [2023-11-23 21:24:13,721 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927: SUMMARY for call tlan_eisa_probe_#t~ret356#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:24:13,722 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6994: assume 64 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:24:13,722 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6994: assume !(64 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296)); [2023-11-23 21:24:13,722 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027-1: assume -2147483648 <= tlan_eisa_probe_#t~ret367#1 && tlan_eisa_probe_#t~ret367#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret367#1; [2023-11-23 21:24:13,722 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7027: SUMMARY for call tlan_eisa_probe_#t~ret367#1 := printk(47, 0); srcloc: null [2023-11-23 21:24:13,722 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928-1: assume -2147483648 <= tlan_eisa_probe_#t~ret357#1 && tlan_eisa_probe_#t~ret357#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret357#1; [2023-11-23 21:24:13,722 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928: SUMMARY for call tlan_eisa_probe_#t~ret357#1 := printk(44, 0); srcloc: null [2023-11-23 21:24:13,722 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6961: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:24:13,723 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume !(0 == ~debug~0); [2023-11-23 21:24:13,723 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume 0 == ~debug~0;tlan_eisa_probe_#t~nondet352#1 := 0; [2023-11-23 21:24:13,723 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_16#1: tlan_eisa_probe_~irq~0#1 := 5; [2023-11-23 21:24:13,723 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6998: assume 128 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296); [2023-11-23 21:24:13,723 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6998: assume !(128 == (if tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 <= 2147483647 then tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 else tlan_eisa_probe_~tmp___4~0#1 % 256 % 4294967296 - 4294967296)); [2023-11-23 21:24:13,723 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6932-1: assume 16 == ~debug~0;tlan_eisa_probe_#t~nondet358#1 := ~debug~0; [2023-11-23 21:24:13,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6932-1: assume !(16 == ~debug~0);assume ~debug~0 < 0 || tlan_eisa_probe_#t~nondet358#1 <= ~debug~0;assume tlan_eisa_probe_#t~nondet358#1 <= 16;assume tlan_eisa_probe_#t~nondet358#1 >= 0;assume ~debug~0 >= 0 || tlan_eisa_probe_#t~nondet358#1 > 16 + ~debug~0;assume tlan_eisa_probe_#t~nondet358#1 >= -2147483648; [2023-11-23 21:24:13,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6932-5: call tlan_eisa_probe_#t~ret360#1.base, tlan_eisa_probe_#t~ret360#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret360#1.base, tlan_eisa_probe_#t~ret360#1.offset;havoc tlan_eisa_probe_#t~ret360#1.base, tlan_eisa_probe_#t~ret360#1.offset; [2023-11-23 21:24:13,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6932-3: assume 0 != tlan_eisa_probe_#t~nondet358#1;havoc tlan_eisa_probe_#t~nondet358#1; [2023-11-23 21:24:13,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6932-3: assume !(0 != tlan_eisa_probe_#t~nondet358#1);havoc tlan_eisa_probe_#t~nondet358#1; [2023-11-23 21:24:13,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_case_128#1: tlan_eisa_probe_~irq~0#1 := 11; [2023-11-23 21:24:13,724 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6934: SUMMARY for call tlan_eisa_probe_#t~ret359#1 := printk(45, 0); srcloc: null [2023-11-23 21:24:13,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6967-1: tlan_eisa_probe_~tmp___3~1#1 := tlan_eisa_probe_#t~ret363#1;havoc tlan_eisa_probe_#t~ret363#1; [2023-11-23 21:24:13,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6967: SUMMARY for call tlan_eisa_probe_#t~ret363#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2023-11-23 21:24:13,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7033-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2023-11-23 21:24:13,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6934-1: assume -2147483648 <= tlan_eisa_probe_#t~ret359#1 && tlan_eisa_probe_#t~ret359#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret359#1; [2023-11-23 21:24:13,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7035-1: assume -2147483648 <= tlan_eisa_probe_#t~ret368#1 && tlan_eisa_probe_#t~ret368#1 <= 2147483647;havoc tlan_eisa_probe_#t~ret368#1; [2023-11-23 21:24:13,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L7035: SUMMARY for call tlan_eisa_probe_#t~ret368#1 := printk(48, 0); srcloc: null [2023-11-23 21:24:13,725 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6969: assume 1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296; [2023-11-23 21:24:13,726 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6969: assume !(1 != tlan_eisa_probe_~tmp___3~1#1 % 256 % 4294967296); [2023-11-23 21:24:13,726 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !(16 == ~debug~0); [2023-11-23 21:24:13,726 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume 16 == ~debug~0; [2023-11-23 21:24:13,726 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume !(16 == ~debug~0); [2023-11-23 21:24:13,726 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##116: assume 16 == ~debug~0; [2023-11-23 21:24:13,726 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint L6971: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2023-11-23 21:24:13,727 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint tlan_eisa_probe_ldv_43702#1: SUMMARY for call tlan_eisa_probe_#t~ret366#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2023-11-23 21:24:13,980 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:18,047 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:18,047 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:18,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:18 BoogieIcfgContainer [2023-11-23 21:24:18,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:18,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:18,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:18,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:18,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:01" (1/3) ... [2023-11-23 21:24:18,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a81b588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:18, skipping insertion in model container [2023-11-23 21:24:18,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:06" (2/3) ... [2023-11-23 21:24:18,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a81b588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:18, skipping insertion in model container [2023-11-23 21:24:18,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:18" (3/3) ... [2023-11-23 21:24:18,064 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-ti-tlan.cil.i [2023-11-23 21:24:18,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:18,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:24:18,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:18,206 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;@69d76460, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:18,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:24:18,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 1804 states, 1019 states have (on average 1.2306182531894014) internal successors, (1254), 1070 states have internal predecessors, (1254), 672 states have call successors, (672), 110 states have call predecessors, (672), 109 states have return successors, (668), 653 states have call predecessors, (668), 668 states have call successors, (668) [2023-11-23 21:24:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 21:24:18,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:18,235 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-23 21:24:18,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:24:18,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:18,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2144188687, now seen corresponding path program 1 times [2023-11-23 21:24:18,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:18,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742520355] [2023-11-23 21:24:18,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:18,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 21:24:19,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:19,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742520355] [2023-11-23 21:24:19,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742520355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:19,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:19,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:24:19,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971103850] [2023-11-23 21:24:19,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:19,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:24:19,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:19,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:24:19,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:24:19,483 INFO L87 Difference]: Start difference. First operand has 1804 states, 1019 states have (on average 1.2306182531894014) internal successors, (1254), 1070 states have internal predecessors, (1254), 672 states have call successors, (672), 110 states have call predecessors, (672), 109 states have return successors, (668), 653 states have call predecessors, (668), 668 states have call successors, (668) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-11-23 21:24:21,948 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 21:24:23,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:25,964 WARN L539 Checker$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 21:24:29,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:30,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:30,685 INFO L93 Difference]: Finished difference Result 3584 states and 5286 transitions. [2023-11-23 21:24:30,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:24:30,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 48 [2023-11-23 21:24:30,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:30,722 INFO L225 Difference]: With dead ends: 3584 [2023-11-23 21:24:30,722 INFO L226 Difference]: Without dead ends: 1797 [2023-11-23 21:24:30,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:24:30,866 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2563 mSDsluCounter, 4508 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 6769 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:30,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2575 Valid, 6769 Invalid, 996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 992 Invalid, 3 Unknown, 0 Unchecked, 10.7s Time] [2023-11-23 21:24:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2023-11-23 21:24:31,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1797. [2023-11-23 21:24:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1017 states have (on average 1.2251720747295969) internal successors, (1246), 1067 states have internal predecessors, (1246), 668 states have call successors, (668), 110 states have call predecessors, (668), 109 states have return successors, (665), 650 states have call predecessors, (665), 665 states have call successors, (665) [2023-11-23 21:24:31,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2579 transitions. [2023-11-23 21:24:31,185 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2579 transitions. Word has length 48 [2023-11-23 21:24:31,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:31,186 INFO L495 AbstractCegarLoop]: Abstraction has 1797 states and 2579 transitions. [2023-11-23 21:24:31,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2023-11-23 21:24:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2579 transitions. [2023-11-23 21:24:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 21:24:31,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:31,200 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2023-11-23 21:24:31,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:24:31,202 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:24:31,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:31,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1152816766, now seen corresponding path program 1 times [2023-11-23 21:24:31,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:31,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93103282] [2023-11-23 21:24:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 21:24:31,912 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:31,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93103282] [2023-11-23 21:24:31,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93103282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:31,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:31,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:24:31,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550338734] [2023-11-23 21:24:31,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:31,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:24:31,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:31,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:24:31,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:24:31,919 INFO L87 Difference]: Start difference. First operand 1797 states and 2579 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-23 21:24:34,342 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 21:24:36,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:39,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:41,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:41,712 INFO L93 Difference]: Finished difference Result 1803 states and 2584 transitions. [2023-11-23 21:24:41,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:24:41,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 53 [2023-11-23 21:24:41,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:41,736 INFO L225 Difference]: With dead ends: 1803 [2023-11-23 21:24:41,737 INFO L226 Difference]: Without dead ends: 1801 [2023-11-23 21:24:41,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:24:41,743 INFO L413 NwaCegarLoop]: 2251 mSDtfsCounter, 2546 mSDsluCounter, 4482 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 6733 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:41,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 6733 Invalid, 996 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 993 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2023-11-23 21:24:41,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2023-11-23 21:24:41,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1801. [2023-11-23 21:24:41,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1020 states have (on average 1.2245098039215687) internal successors, (1249), 1070 states have internal predecessors, (1249), 668 states have call successors, (668), 111 states have call predecessors, (668), 110 states have return successors, (665), 650 states have call predecessors, (665), 665 states have call successors, (665) [2023-11-23 21:24:41,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2582 transitions. [2023-11-23 21:24:41,967 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 2582 transitions. Word has length 53 [2023-11-23 21:24:41,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:41,968 INFO L495 AbstractCegarLoop]: Abstraction has 1801 states and 2582 transitions. [2023-11-23 21:24:41,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-23 21:24:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2582 transitions. [2023-11-23 21:24:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 21:24:41,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:41,977 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2023-11-23 21:24:41,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:24:41,978 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:24:41,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:41,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1917062865, now seen corresponding path program 1 times [2023-11-23 21:24:41,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:41,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295798983] [2023-11-23 21:24:41,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:41,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-23 21:24:42,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:42,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295798983] [2023-11-23 21:24:42,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295798983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:42,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:42,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:24:42,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675102796] [2023-11-23 21:24:42,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:42,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:24:42,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:42,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:24:42,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:24:42,535 INFO L87 Difference]: Start difference. First operand 1801 states and 2582 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-23 21:24:44,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:46,915 WARN L539 Checker$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 21:24:48,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []