./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-qlogic-qla3xxx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:20:21,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:20:21,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:20:21,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:20:21,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:20:21,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:20:21,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:20:21,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:20:21,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:20:21,328 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:20:21,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:20:21,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:20:21,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:20:21,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:20:21,331 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:20:21,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:20:21,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:20:21,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:20:21,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:20:21,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:20:21,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:20:21,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:20:21,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:20:21,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:20:21,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:20:21,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:20:21,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:20:21,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:20:21,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:20:21,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:20:21,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:20:21,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:20:21,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:20:21,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:20:21,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:20:21,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:20:21,342 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:20:21,342 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:20:21,342 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:20:21,343 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2023-11-21 22:20:21,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:20:21,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:20:21,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:20:21,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:20:21,698 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:20:21,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-21 22:20:24,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:20:25,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:20:25,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-21 22:20:25,720 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/data/296029184/afe3c8ce77434682ba12316a66bad385/FLAGafaf8e3a0 [2023-11-21 22:20:25,735 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/data/296029184/afe3c8ce77434682ba12316a66bad385 [2023-11-21 22:20:25,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:20:25,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:20:25,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:25,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:20:25,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:20:25,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:25" (1/1) ... [2023-11-21 22:20:25,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c7e69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:25, skipping insertion in model container [2023-11-21 22:20:25,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:25" (1/1) ... [2023-11-21 22:20:25,972 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:20:30,070 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_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2023-11-21 22:20:30,083 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_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2023-11-21 22:20:30,084 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_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2023-11-21 22:20:30,085 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_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2023-11-21 22:20:30,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:30,179 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:20:30,368 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"); [5595] [2023-11-21 22:20:30,370 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)); [5602] [2023-11-21 22:20:30,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5609] [2023-11-21 22:20:30,373 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)); [5648-5649] [2023-11-21 22:20:30,374 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"); [5654-5656] [2023-11-21 22:20:30,375 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)); [5683] [2023-11-21 22:20:30,375 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)); [5690] [2023-11-21 22:20:30,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5850] [2023-11-21 22:20:30,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5857] [2023-11-21 22:20:30,385 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)); [5988-5989] [2023-11-21 22:20:30,388 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)); [6022-6023] [2023-11-21 22:20:30,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6063-6064] [2023-11-21 22:20:30,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6092-6093] [2023-11-21 22:20:30,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6445-6446] [2023-11-21 22:20:30,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6452] [2023-11-21 22:20:30,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9125] [2023-11-21 22:20:30,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9187] [2023-11-21 22:20:30,501 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9315] [2023-11-21 22:20:30,503 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb2->data) [9372] [2023-11-21 22:20:30,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2023-11-21 22:20:30,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9863] [2023-11-21 22:20:30,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9870] [2023-11-21 22:20:30,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9894] [2023-11-21 22:20:30,712 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_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2023-11-21 22:20:30,713 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_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2023-11-21 22:20:30,714 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_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2023-11-21 22:20:30,714 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_77271dc0-1566-4f4a-a92a-9622e1da54df/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2023-11-21 22:20:30,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:20:31,017 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:20:31,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31 WrapperNode [2023-11-21 22:20:31,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:20:31,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:31,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:20:31,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:20:31,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:31,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:31,536 INFO L138 Inliner]: procedures = 572, calls = 3092, calls flagged for inlining = 288, calls inlined = 256, statements flattened = 7871 [2023-11-21 22:20:31,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:20:31,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:20:31,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:20:31,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:20:31,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:31,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:31,626 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:33,872 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:20:33,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:33,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:34,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:34,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:34,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:34,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:34,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:20:34,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:20:34,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:20:34,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:20:34,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (1/1) ... [2023-11-21 22:20:34,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:20:34,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:20:34,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:20:34,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77271dc0-1566-4f4a-a92a-9622e1da54df/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:20:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2023-11-21 22:20:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2023-11-21 22:20:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-21 22:20:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-21 22:20:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:20:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:20:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:20:34,339 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:20:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 22:20:34,339 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 22:20:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-21 22:20:34,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-21 22:20:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2023-11-21 22:20:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2023-11-21 22:20:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:20:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:20:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:20:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:20:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-21 22:20:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-21 22:20:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:20:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:20:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2023-11-21 22:20:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2023-11-21 22:20:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2023-11-21 22:20:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2023-11-21 22:20:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:20:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:20:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:20:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:20:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-21 22:20:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-21 22:20:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2023-11-21 22:20:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2023-11-21 22:20:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2023-11-21 22:20:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2023-11-21 22:20:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:20:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:20:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 22:20:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 22:20:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:20:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:20:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-11-21 22:20:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-11-21 22:20:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2023-11-21 22:20:34,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2023-11-21 22:20:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:20:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:20:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2023-11-21 22:20:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2023-11-21 22:20:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 22:20:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 22:20:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 22:20:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 22:20:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2023-11-21 22:20:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2023-11-21 22:20:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:20:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:20:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:20:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:20:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:20:34,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:20:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:20:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:20:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:20:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2023-11-21 22:20:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2023-11-21 22:20:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2023-11-21 22:20:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2023-11-21 22:20:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:20:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:20:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-21 22:20:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-21 22:20:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-21 22:20:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-21 22:20:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:20:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:20:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:20:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 22:20:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 22:20:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:20:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:20:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:20:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2023-11-21 22:20:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2023-11-21 22:20:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:20:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:20:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:20:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:20:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:20:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:20:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:20:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:20:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:20:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:20:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:20:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2023-11-21 22:20:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2023-11-21 22:20:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-21 22:20:34,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-21 22:20:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-21 22:20:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-21 22:20:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2023-11-21 22:20:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2023-11-21 22:20:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:20:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:20:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2023-11-21 22:20:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2023-11-21 22:20:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2023-11-21 22:20:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2023-11-21 22:20:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:20:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:20:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2023-11-21 22:20:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2023-11-21 22:20:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:20:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2023-11-21 22:20:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2023-11-21 22:20:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:20:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:20:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:20:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:20:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-21 22:20:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-21 22:20:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2023-11-21 22:20:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2023-11-21 22:20:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2023-11-21 22:20:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2023-11-21 22:20:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:20:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2023-11-21 22:20:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2023-11-21 22:20:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:20:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:20:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:20:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:20:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:20:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2023-11-21 22:20:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2023-11-21 22:20:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:20:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:20:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2023-11-21 22:20:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2023-11-21 22:20:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:20:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:20:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-21 22:20:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-21 22:20:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 22:20:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 22:20:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2023-11-21 22:20:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2023-11-21 22:20:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 22:20:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 22:20:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-21 22:20:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-21 22:20:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-21 22:20:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-21 22:20:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:20:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:20:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2023-11-21 22:20:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2023-11-21 22:20:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:20:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:20:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-21 22:20:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-21 22:20:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2023-11-21 22:20:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2023-11-21 22:20:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-21 22:20:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-21 22:20:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 22:20:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 22:20:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:20:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:20:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:20:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:20:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2023-11-21 22:20:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2023-11-21 22:20:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 22:20:34,363 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 22:20:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2023-11-21 22:20:34,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2023-11-21 22:20:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:20:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:20:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:20:34,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:20:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 22:20:34,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 22:20:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:20:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:20:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 22:20:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 22:20:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2023-11-21 22:20:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2023-11-21 22:20:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-21 22:20:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-21 22:20:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-21 22:20:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-21 22:20:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:20:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:20:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2023-11-21 22:20:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2023-11-21 22:20:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 22:20:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 22:20:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2023-11-21 22:20:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2023-11-21 22:20:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:20:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:20:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2023-11-21 22:20:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2023-11-21 22:20:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:20:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:20:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-21 22:20:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-21 22:20:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-21 22:20:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-21 22:20:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2023-11-21 22:20:34,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2023-11-21 22:20:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:20:34,367 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:20:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-21 22:20:34,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-21 22:20:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:20:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 22:20:34,367 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 22:20:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:20:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:20:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:20:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:20:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:20:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:20:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-21 22:20:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-21 22:20:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-21 22:20:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-21 22:20:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:20:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:20:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:20:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:20:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-21 22:20:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-21 22:20:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2023-11-21 22:20:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2023-11-21 22:20:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 22:20:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 22:20:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 22:20:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 22:20:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2023-11-21 22:20:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2023-11-21 22:20:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2023-11-21 22:20:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2023-11-21 22:20:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:20:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:20:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2023-11-21 22:20:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2023-11-21 22:20:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2023-11-21 22:20:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2023-11-21 22:20:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-21 22:20:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-21 22:20:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:20:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:20:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2023-11-21 22:20:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2023-11-21 22:20:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-21 22:20:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-21 22:20:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:20:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:20:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2023-11-21 22:20:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2023-11-21 22:20:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:20:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:20:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:20:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2023-11-21 22:20:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2023-11-21 22:20:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2023-11-21 22:20:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2023-11-21 22:20:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 22:20:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 22:20:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2023-11-21 22:20:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2023-11-21 22:20:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-21 22:20:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-21 22:20:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2023-11-21 22:20:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2023-11-21 22:20:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2023-11-21 22:20:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2023-11-21 22:20:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:20:34,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:20:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 22:20:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 22:20:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-21 22:20:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-21 22:20:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-21 22:20:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-21 22:20:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 22:20:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 22:20:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-21 22:20:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:20:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2023-11-21 22:20:34,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2023-11-21 22:20:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:20:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:20:35,250 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:20:35,254 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:20:35,683 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:20:41,569 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:20:41,882 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:20:49,411 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:20:49,411 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:20:49,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:49 BoogieIcfgContainer [2023-11-21 22:20:49,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:20:49,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:20:49,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:20:49,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:20:49,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:20:25" (1/3) ... [2023-11-21 22:20:49,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d3206d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:20:49, skipping insertion in model container [2023-11-21 22:20:49,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:31" (2/3) ... [2023-11-21 22:20:49,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d3206d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:20:49, skipping insertion in model container [2023-11-21 22:20:49,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:49" (3/3) ... [2023-11-21 22:20:49,424 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-21 22:20:49,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:20:49,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-21 22:20:49,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:20:49,570 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44fe1e17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:20:49,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-21 22:20:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 2200 states, 1246 states have (on average 1.2431781701444622) internal successors, (1549), 1295 states have internal predecessors, (1549), 811 states have call successors, (811), 141 states have call predecessors, (811), 140 states have return successors, (806), 792 states have call predecessors, (806), 806 states have call successors, (806) [2023-11-21 22:20:49,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-21 22:20:49,611 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:20:49,612 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:20:49,613 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)] === [2023-11-21 22:20:49,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:20:49,619 INFO L85 PathProgramCache]: Analyzing trace with hash -93353147, now seen corresponding path program 1 times [2023-11-21 22:20:49,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:20:49,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386374717] [2023-11-21 22:20:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:20:49,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:20:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:20:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:20:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:20:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:20:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:20:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:20:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:20:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:20:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:20:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-21 22:20:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:20:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 22:20:50,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:20:50,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386374717] [2023-11-21 22:20:50,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386374717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:20:50,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:20:50,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:20:50,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947123363] [2023-11-21 22:20:50,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:20:50,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:20:50,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:20:50,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:20:50,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:20:50,872 INFO L87 Difference]: Start difference. First operand has 2200 states, 1246 states have (on average 1.2431781701444622) internal successors, (1549), 1295 states have internal predecessors, (1549), 811 states have call successors, (811), 141 states have call predecessors, (811), 140 states have return successors, (806), 792 states have call predecessors, (806), 806 states have call successors, (806) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-21 22:20:55,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:21:06,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:21:06,925 INFO L93 Difference]: Finished difference Result 7406 states and 10965 transitions. [2023-11-21 22:21:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:21:06,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2023-11-21 22:21:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:21:07,026 INFO L225 Difference]: With dead ends: 7406 [2023-11-21 22:21:07,027 INFO L226 Difference]: Without dead ends: 5213 [2023-11-21 22:21:07,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:21:07,060 INFO L413 NwaCegarLoop]: 1722 mSDtfsCounter, 4423 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 4027 mSolverCounterSat, 3106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5334 SdHoareTripleChecker+Valid, 3776 SdHoareTripleChecker+Invalid, 7133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3106 IncrementalHoareTripleChecker+Valid, 4027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-11-21 22:21:07,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5334 Valid, 3776 Invalid, 7133 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3106 Valid, 4027 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2023-11-21 22:21:07,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5213 states.