./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/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_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/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_e625f0ae-bf6e-4e92-9643-37c3c132994d/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 d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:40,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:40,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 20:34:40,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:40,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:40,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:40,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:40,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:40,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:40,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:40,238 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:40,239 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:40,239 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:40,240 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:34:40,241 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:40,242 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:40,243 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:34:40,243 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:34:40,244 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:40,245 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:34:40,246 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:34:40,247 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:34:40,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:40,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:40,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:34:40,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:40,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:40,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:40,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:40,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:40,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:40,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:40,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:40,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:40,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:40,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:40,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:40,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:40,259 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:34:40,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:34:40,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:40,261 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:40,261 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:40,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:40,262 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 [2023-11-23 20:34:40,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:40,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:40,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:40,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:40,657 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:40,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2023-11-23 20:34:44,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:44,760 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:44,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2023-11-23 20:34:44,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/data/64bff3426/d9a82545a1fb47fd86eaf2f47a55cb52/FLAG8cb67d8b2 [2023-11-23 20:34:44,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/data/64bff3426/d9a82545a1fb47fd86eaf2f47a55cb52 [2023-11-23 20:34:44,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:44,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:44,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:44,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:44,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:44,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:44" (1/1) ... [2023-11-23 20:34:44,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6875729c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:44, skipping insertion in model container [2023-11-23 20:34:44,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:44" (1/1) ... [2023-11-23 20:34:45,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:48,962 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2023-11-23 20:34:48,968 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2023-11-23 20:34:48,969 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2023-11-23 20:34:48,970 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2023-11-23 20:34:49,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:49,103 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:49,287 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"); [5263] [2023-11-23 20:34:49,290 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)); [5270] [2023-11-23 20:34:49,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5277] [2023-11-23 20:34:49,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5316-5317] [2023-11-23 20:34:49,305 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"); [5322-5324] [2023-11-23 20:34:49,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5338] [2023-11-23 20:34:49,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [5345] [2023-11-23 20:34:49,320 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)); [5551-5552] [2023-11-23 20:34:49,323 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)); [5585-5586] [2023-11-23 20:34:49,325 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" (103), "i" (12UL)); [5622-5623] [2023-11-23 20:34:49,328 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" (115), "i" (12UL)); [5659-5660] [2023-11-23 20:34:49,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6112] [2023-11-23 20:34:49,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6146] [2023-11-23 20:34:49,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6157] [2023-11-23 20:34:49,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6166] [2023-11-23 20:34:49,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7371] [2023-11-23 20:34:49,679 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2023-11-23 20:34:49,680 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2023-11-23 20:34:49,680 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2023-11-23 20:34:49,681 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_e625f0ae-bf6e-4e92-9643-37c3c132994d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2023-11-23 20:34:49,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:50,052 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:50,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50 WrapperNode [2023-11-23 20:34:50,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:50,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:50,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:50,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:50,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,451 INFO L138 Inliner]: procedures = 470, calls = 2204, calls flagged for inlining = 234, calls inlined = 217, statements flattened = 6256 [2023-11-23 20:34:50,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:50,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:50,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:50,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:50,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:50,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:50,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:50,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:50,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (1/1) ... [2023-11-23 20:34:50,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:50,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:50,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:50,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e625f0ae-bf6e-4e92-9643-37c3c132994d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:50,974 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2023-11-23 20:34:50,974 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2023-11-23 20:34:50,975 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-23 20:34:50,977 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-23 20:34:50,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 20:34:50,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 20:34:50,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 20:34:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 20:34:50,979 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 20:34:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 20:34:50,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 20:34:50,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 20:34:50,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 20:34:50,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 20:34:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 20:34:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 20:34:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 20:34:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 20:34:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-23 20:34:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-23 20:34:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-23 20:34:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-23 20:34:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure reset_tx [2023-11-23 20:34:50,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_tx [2023-11-23 20:34:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-23 20:34:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-23 20:34:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_76 [2023-11-23 20:34:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_76 [2023-11-23 20:34:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 20:34:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 20:34:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 20:34:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 20:34:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 20:34:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 20:34:50,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 20:34:50,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 20:34:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 20:34:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 20:34:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 20:34:50,986 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 20:34:50,986 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 20:34:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 20:34:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 20:34:50,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 20:34:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 20:34:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 20:34:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:34:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_69 [2023-11-23 20:34:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_69 [2023-11-23 20:34:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-23 20:34:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-23 20:34:50,989 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2023-11-23 20:34:50,989 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2023-11-23 20:34:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 20:34:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 20:34:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:34:50,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 20:34:50,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 20:34:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-23 20:34:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-23 20:34:50,991 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 20:34:50,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 20:34:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:34:50,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 20:34:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 20:34:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:34:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-23 20:34:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-23 20:34:50,993 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 20:34:50,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 20:34:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 20:34:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 20:34:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 20:34:50,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 20:34:50,994 INFO L130 BoogieDeclarations]: Found specification of procedure check_duplex [2023-11-23 20:34:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure check_duplex [2023-11-23 20:34:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 20:34:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 20:34:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-23 20:34:50,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-23 20:34:50,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 20:34:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 20:34:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2023-11-23 20:34:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2023-11-23 20:34:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_resume [2023-11-23 20:34:50,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_resume [2023-11-23 20:34:50,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 20:34:50,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 20:34:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:34:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 20:34:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 20:34:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 20:34:50,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 20:34:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 20:34:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 20:34:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 20:34:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 20:34:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 20:34:51,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 20:34:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:34:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-23 20:34:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-23 20:34:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:34:51,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 20:34:51,001 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-23 20:34:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-23 20:34:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-23 20:34:51,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-23 20:34:51,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 20:34:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 20:34:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 20:34:51,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 20:34:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 20:34:51,004 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 20:34:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 20:34:51,005 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 20:34:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 20:34:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 20:34:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure __set_mac_addr [2023-11-23 20:34:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_mac_addr [2023-11-23 20:34:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-23 20:34:51,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-23 20:34:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:51,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2023-11-23 20:34:51,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2023-11-23 20:34:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:34:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:34:51,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 20:34:51,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 20:34:51,013 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-23 20:34:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-23 20:34:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 20:34:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 20:34:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2023-11-23 20:34:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2023-11-23 20:34:51,021 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_poll_controller [2023-11-23 20:34:51,021 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_poll_controller [2023-11-23 20:34:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 20:34:51,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 20:34:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2023-11-23 20:34:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2023-11-23 20:34:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-23 20:34:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-23 20:34:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 20:34:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 20:34:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 20:34:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 20:34:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2023-11-23 20:34:51,024 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2023-11-23 20:34:51,024 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 20:34:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 20:34:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 20:34:51,025 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 20:34:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:34:51,025 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 20:34:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 20:34:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_75 [2023-11-23 20:34:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_75 [2023-11-23 20:34:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:34:51,026 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 20:34:51,026 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 20:34:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-23 20:34:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-23 20:34:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 20:34:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 20:34:51,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 20:34:51,027 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-11-23 20:34:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-11-23 20:34:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 20:34:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 20:34:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 20:34:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 20:34:51,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-23 20:34:51,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-23 20:34:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 20:34:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 20:34:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-23 20:34:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-23 20:34:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-23 20:34:51,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-23 20:34:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-23 20:34:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-23 20:34:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_reset [2023-11-23 20:34:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_reset [2023-11-23 20:34:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 20:34:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 20:34:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 20:34:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 20:34:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 20:34:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 20:34:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 20:34:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 20:34:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 20:34:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 20:34:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_remove1 [2023-11-23 20:34:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_remove1 [2023-11-23 20:34:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_70 [2023-11-23 20:34:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_70 [2023-11-23 20:34:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:34:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 20:34:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 20:34:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 20:34:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 20:34:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-11-23 20:34:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-11-23 20:34:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 20:34:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 20:34:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 20:34:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 20:34:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 20:34:51,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 20:34:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-23 20:34:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-23 20:34:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:34:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 20:34:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 20:34:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-23 20:34:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-23 20:34:51,987 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:51,991 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:52,601 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 20:35:05,751 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 20:35:05,935 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:35:09,293 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:35:09,293 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 20:35:09,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:09 BoogieIcfgContainer [2023-11-23 20:35:09,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:35:09,302 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:35:09,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:35:09,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:35:09,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:44" (1/3) ... [2023-11-23 20:35:09,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e28db16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:09, skipping insertion in model container [2023-11-23 20:35:09,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:50" (2/3) ... [2023-11-23 20:35:09,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e28db16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:35:09, skipping insertion in model container [2023-11-23 20:35:09,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:35:09" (3/3) ... [2023-11-23 20:35:09,313 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2023-11-23 20:35:09,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:35:09,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 20:35:09,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:35:09,470 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;@1264baf4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:35:09,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 20:35:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 1556 states, 903 states have (on average 1.2779623477297897) internal successors, (1154), 937 states have internal predecessors, (1154), 553 states have call successors, (553), 102 states have call predecessors, (553), 101 states have return successors, (547), 540 states have call predecessors, (547), 547 states have call successors, (547) [2023-11-23 20:35:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 20:35:09,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:35:09,518 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:35:09,520 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 20:35:09,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:35:09,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2057714100, now seen corresponding path program 1 times [2023-11-23 20:35:09,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:35:09,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343507205] [2023-11-23 20:35:09,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:35:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:35:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:35:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-23 20:35:25,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:35:25,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343507205] [2023-11-23 20:35:25,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343507205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:35:25,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:35:25,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:35:25,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605223001] [2023-11-23 20:35:25,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:35:25,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:35:25,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:35:25,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:35:25,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:35:25,259 INFO L87 Difference]: Start difference. First operand has 1556 states, 903 states have (on average 1.2779623477297897) internal successors, (1154), 937 states have internal predecessors, (1154), 553 states have call successors, (553), 102 states have call predecessors, (553), 101 states have return successors, (547), 540 states have call predecessors, (547), 547 states have call successors, (547) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-23 20:35:27,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 20:35:29,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []