./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh --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 6eed6410a0dd7e708ffb27250b590aa2913bf9f742c15130caf6eadad29510cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:42:21,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:42:22,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 16:42:22,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:42:22,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:42:22,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:42:22,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:42:22,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:42:22,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:42:22,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:42:22,062 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:42:22,062 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:42:22,063 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:42:22,063 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:42:22,064 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:42:22,064 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:42:22,065 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:42:22,066 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:42:22,066 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:42:22,067 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:42:22,067 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:42:22,068 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:42:22,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:42:22,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:42:22,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:42:22,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:42:22,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:42:22,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:42:22,071 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:42:22,072 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:42:22,072 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:42:22,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:42:22,073 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:42:22,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:42:22,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:42:22,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:42:22,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:42:22,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:42:22,074 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:42:22,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:42:22,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:42:22,075 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:42:22,076 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:42:22,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:42:22,076 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed6410a0dd7e708ffb27250b590aa2913bf9f742c15130caf6eadad29510cc [2023-12-02 16:42:22,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:42:22,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:42:22,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:42:22,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:42:22,328 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:42:22,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2023-12-02 16:42:25,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:42:25,630 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:42:25,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2023-12-02 16:42:25,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/data/053c75058/3ae477fa353a4a30a32d4acb2e7b6112/FLAG4419f8f9a [2023-12-02 16:42:25,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/data/053c75058/3ae477fa353a4a30a32d4acb2e7b6112 [2023-12-02 16:42:25,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:42:25,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:42:25,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:42:25,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:42:25,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:42:25,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:42:25" (1/1) ... [2023-12-02 16:42:25,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da4fe66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:25, skipping insertion in model container [2023-12-02 16:42:25,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:42:25" (1/1) ... [2023-12-02 16:42:25,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:42:29,328 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2023-12-02 16:42:29,333 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2023-12-02 16:42:29,333 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2023-12-02 16:42:29,334 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2023-12-02 16:42:29,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:42:29,423 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:42:29,519 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"); [5331] [2023-12-02 16:42:29,521 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)); [5338] [2023-12-02 16:42:29,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5345] [2023-12-02 16:42:29,524 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)); [5416-5417] [2023-12-02 16:42:29,524 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"); [5422-5424] [2023-12-02 16:42:29,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5602] [2023-12-02 16:42:29,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5616] [2023-12-02 16:42:29,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5624] [2023-12-02 16:42:29,533 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)); [5716-5717] [2023-12-02 16:42:29,534 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)); [5750-5751] [2023-12-02 16:42:29,567 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)); [5787-5788] [2023-12-02 16:42:29,568 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)); [5824-5825] [2023-12-02 16:42:29,576 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)); [6171-6172] [2023-12-02 16:42:29,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6178] [2023-12-02 16:42:29,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6420] [2023-12-02 16:42:29,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6423] [2023-12-02 16:42:29,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6426] [2023-12-02 16:42:29,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6429] [2023-12-02 16:42:29,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6460] [2023-12-02 16:42:29,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6463] [2023-12-02 16:42:29,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6466] [2023-12-02 16:42:29,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6469] [2023-12-02 16:42:29,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6500] [2023-12-02 16:42:29,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6503] [2023-12-02 16:42:29,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6506] [2023-12-02 16:42:29,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6509] [2023-12-02 16:42:29,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6540] [2023-12-02 16:42:29,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6543] [2023-12-02 16:42:29,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6546] [2023-12-02 16:42:29,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6549] [2023-12-02 16:42:29,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6993] [2023-12-02 16:42:29,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7407] [2023-12-02 16:42:29,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2023-12-02 16:42:29,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8099] [2023-12-02 16:42:29,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8112] [2023-12-02 16:42:29,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8117] [2023-12-02 16:42:29,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8130] [2023-12-02 16:42:29,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8142] [2023-12-02 16:42:29,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8668] [2023-12-02 16:42:29,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2023-12-02 16:42:29,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8717] [2023-12-02 16:42:29,781 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2023-12-02 16:42:29,781 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2023-12-02 16:42:29,782 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2023-12-02 16:42:29,782 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_2f6611d0-59b8-48ce-87e6-6f30578e05ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2023-12-02 16:42:29,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:42:30,122 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:42:30,122 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 16:42:30,130 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:42:30,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30 WrapperNode [2023-12-02 16:42:30,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:42:30,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:42:30,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:42:30,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:42:30,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,394 INFO L138 Inliner]: procedures = 559, calls = 2853, calls flagged for inlining = 291, calls inlined = 253, statements flattened = 6441 [2023-12-02 16:42:30,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:42:30,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:42:30,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:42:30,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:42:30,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:42:30,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:42:30,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:42:30,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:42:30,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (1/1) ... [2023-12-02 16:42:30,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:42:30,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:42:30,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:42:30,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f6611d0-59b8-48ce-87e6-6f30578e05ce/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:42:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 16:42:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 16:42:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 16:42:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 16:42:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-12-02 16:42:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-12-02 16:42:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-12-02 16:42:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-12-02 16:42:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 16:42:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 16:42:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 16:42:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 16:42:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 16:42:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-12-02 16:42:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2023-12-02 16:42:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2023-12-02 16:42:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_80 [2023-12-02 16:42:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_80 [2023-12-02 16:42:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-12-02 16:42:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-12-02 16:42:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 16:42:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 16:42:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-12-02 16:42:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-12-02 16:42:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 16:42:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 16:42:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-12-02 16:42:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-12-02 16:42:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2023-12-02 16:42:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2023-12-02 16:42:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-12-02 16:42:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-12-02 16:42:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-12-02 16:42:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-12-02 16:42:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-12-02 16:42:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-12-02 16:42:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-12-02 16:42:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-12-02 16:42:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2023-12-02 16:42:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2023-12-02 16:42:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 16:42:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 16:42:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-12-02 16:42:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-12-02 16:42:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-12-02 16:42:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-12-02 16:42:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-12-02 16:42:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-12-02 16:42:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-12-02 16:42:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-12-02 16:42:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-12-02 16:42:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-12-02 16:42:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-12-02 16:42:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-12-02 16:42:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:42:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2023-12-02 16:42:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2023-12-02 16:42:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-12-02 16:42:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-12-02 16:42:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2023-12-02 16:42:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2023-12-02 16:42:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-12-02 16:42:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-12-02 16:42:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-12-02 16:42:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-12-02 16:42:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 16:42:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 16:42:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2023-12-02 16:42:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2023-12-02 16:42:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 16:42:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 16:42:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 16:42:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-12-02 16:42:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-12-02 16:42:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2023-12-02 16:42:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2023-12-02 16:42:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 16:42:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 16:42:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 16:42:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-12-02 16:42:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-12-02 16:42:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-12-02 16:42:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-12-02 16:42:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2023-12-02 16:42:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2023-12-02 16:42:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-12-02 16:42:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-12-02 16:42:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 16:42:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 16:42:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 16:42:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 16:42:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2023-12-02 16:42:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2023-12-02 16:42:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-12-02 16:42:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-12-02 16:42:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2023-12-02 16:42:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2023-12-02 16:42:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 16:42:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-12-02 16:42:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-12-02 16:42:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-12-02 16:42:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-12-02 16:42:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-12-02 16:42:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-12-02 16:42:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-12-02 16:42:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-12-02 16:42:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:42:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2023-12-02 16:42:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2023-12-02 16:42:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-12-02 16:42:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-12-02 16:42:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 16:42:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 16:42:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 16:42:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 16:42:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-12-02 16:42:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-12-02 16:42:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 16:42:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 16:42:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2023-12-02 16:42:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2023-12-02 16:42:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 16:42:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 16:42:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2023-12-02 16:42:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2023-12-02 16:42:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-12-02 16:42:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-12-02 16:42:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rhine_private [2023-12-02 16:42:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rhine_private [2023-12-02 16:42:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 16:42:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 16:42:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-12-02 16:42:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-12-02 16:42:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 16:42:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 16:42:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-12-02 16:42:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-12-02 16:42:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2023-12-02 16:42:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2023-12-02 16:42:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-12-02 16:42:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-12-02 16:42:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_68 [2023-12-02 16:42:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_68 [2023-12-02 16:42:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2023-12-02 16:42:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2023-12-02 16:42:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2023-12-02 16:42:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2023-12-02 16:42:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rhine_private [2023-12-02 16:42:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rhine_private [2023-12-02 16:42:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-12-02 16:42:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-12-02 16:42:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:42:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:42:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 16:42:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 16:42:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 16:42:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 16:42:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 16:42:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 16:42:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-12-02 16:42:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-12-02 16:42:30,792 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2023-12-02 16:42:30,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2023-12-02 16:42:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 16:42:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 16:42:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-12-02 16:42:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-12-02 16:42:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 16:42:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 16:42:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2023-12-02 16:42:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2023-12-02 16:42:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-12-02 16:42:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-12-02 16:42:30,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-12-02 16:42:30,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-12-02 16:42:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2023-12-02 16:42:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2023-12-02 16:42:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2023-12-02 16:42:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2023-12-02 16:42:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-12-02 16:42:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-12-02 16:42:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2023-12-02 16:42:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2023-12-02 16:42:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_79 [2023-12-02 16:42:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_79 [2023-12-02 16:42:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-12-02 16:42:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-12-02 16:42:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:42:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 16:42:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 16:42:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-12-02 16:42:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-12-02 16:42:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 16:42:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2023-12-02 16:42:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2023-12-02 16:42:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2023-12-02 16:42:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2023-12-02 16:42:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 16:42:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2023-12-02 16:42:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2023-12-02 16:42:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 16:42:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 16:42:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2023-12-02 16:42:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2023-12-02 16:42:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-12-02 16:42:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-12-02 16:42:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-12-02 16:42:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2023-12-02 16:42:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-12-02 16:42:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-12-02 16:42:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2023-12-02 16:42:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2023-12-02 16:42:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2023-12-02 16:42:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2023-12-02 16:42:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-12-02 16:42:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-12-02 16:42:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-12-02 16:42:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-12-02 16:42:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-12-02 16:42:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-12-02 16:42:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-12-02 16:42:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-12-02 16:42:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-12-02 16:42:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-12-02 16:42:30,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-12-02 16:42:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-12-02 16:42:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 16:42:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 16:42:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-12-02 16:42:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-12-02 16:42:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-12-02 16:42:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-12-02 16:42:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-12-02 16:42:30,799 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-12-02 16:42:30,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2023-12-02 16:42:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2023-12-02 16:42:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2023-12-02 16:42:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2023-12-02 16:42:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2023-12-02 16:42:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2023-12-02 16:42:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-12-02 16:42:30,800 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-12-02 16:42:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2023-12-02 16:42:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2023-12-02 16:42:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:42:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_67 [2023-12-02 16:42:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_67 [2023-12-02 16:42:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 16:42:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 16:42:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2023-12-02 16:42:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2023-12-02 16:42:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-12-02 16:42:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-12-02 16:42:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2023-12-02 16:42:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2023-12-02 16:42:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2023-12-02 16:42:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2023-12-02 16:42:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2023-12-02 16:42:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2023-12-02 16:42:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2023-12-02 16:42:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2023-12-02 16:42:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-12-02 16:42:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-12-02 16:42:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-12-02 16:42:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-12-02 16:42:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-12-02 16:42:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-12-02 16:42:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-12-02 16:42:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-12-02 16:42:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2023-12-02 16:42:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2023-12-02 16:42:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2023-12-02 16:42:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2023-12-02 16:42:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 16:42:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 16:42:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-12-02 16:42:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-12-02 16:42:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:42:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2023-12-02 16:42:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2023-12-02 16:42:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2023-12-02 16:42:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2023-12-02 16:42:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-12-02 16:42:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-12-02 16:42:31,597 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:42:31,600 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:42:31,786 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 16:42:42,717 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-12-02 16:42:42,815 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:42:45,387 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:42:45,387 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 16:42:45,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:45 BoogieIcfgContainer [2023-12-02 16:42:45,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:42:45,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:42:45,393 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:42:45,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:42:45,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:42:25" (1/3) ... [2023-12-02 16:42:45,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246a69c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:42:45, skipping insertion in model container [2023-12-02 16:42:45,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:42:30" (2/3) ... [2023-12-02 16:42:45,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246a69c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:42:45, skipping insertion in model container [2023-12-02 16:42:45,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:42:45" (3/3) ... [2023-12-02 16:42:45,399 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2023-12-02 16:42:45,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:42:45,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-12-02 16:42:45,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:42:45,512 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;@5df94cce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:42:45,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-12-02 16:42:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 1788 states, 1020 states have (on average 1.3058823529411765) internal successors, (1332), 1062 states have internal predecessors, (1332), 633 states have call successors, (633), 134 states have call predecessors, (633), 133 states have return successors, (624), 613 states have call predecessors, (624), 624 states have call successors, (624) [2023-12-02 16:42:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 16:42:45,554 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:42:45,555 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:42:45,556 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)] === [2023-12-02 16:42:45,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:42:45,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1046214609, now seen corresponding path program 1 times [2023-12-02 16:42:45,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:42:45,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975880529] [2023-12-02 16:42:45,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:42:45,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:45:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:45:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2023-12-02 16:45:36,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:45:36,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975880529] [2023-12-02 16:45:36,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975880529] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:45:36,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:45:36,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:45:36,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733281928] [2023-12-02 16:45:36,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:45:36,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:45:36,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:45:36,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:45:36,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:45:36,767 INFO L87 Difference]: Start difference. First operand has 1788 states, 1020 states have (on average 1.3058823529411765) internal successors, (1332), 1062 states have internal predecessors, (1332), 633 states have call successors, (633), 134 states have call predecessors, (633), 133 states have return successors, (624), 613 states have call predecessors, (624), 624 states have call successors, (624) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-02 16:45:39,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:45:41,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:45:46,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:45:46,853 INFO L93 Difference]: Finished difference Result 5204 states and 7694 transitions. [2023-12-02 16:45:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:45:46,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 165 [2023-12-02 16:45:46,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:45:46,912 INFO L225 Difference]: With dead ends: 5204 [2023-12-02 16:45:46,912 INFO L226 Difference]: Without dead ends: 3432 [2023-12-02 16:45:46,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:45:46,937 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 2444 mSDsluCounter, 2121 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 4301 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-12-02 16:45:46,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 4301 Invalid, 834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 823 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2023-12-02 16:45:46,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3432 states. [2023-12-02 16:45:47,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3432 to 3428. [2023-12-02 16:45:47,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3428 states, 1968 states have (on average 1.2992886178861789) internal successors, (2557), 2049 states have internal predecessors, (2557), 1195 states have call successors, (1195), 263 states have call predecessors, (1195), 262 states have return successors, (1191), 1169 states have call predecessors, (1191), 1191 states have call successors, (1191) [2023-12-02 16:45:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3428 states and 4943 transitions. [2023-12-02 16:45:47,307 INFO L78 Accepts]: Start accepts. Automaton has 3428 states and 4943 transitions. Word has length 165 [2023-12-02 16:45:47,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:45:47,308 INFO L495 AbstractCegarLoop]: Abstraction has 3428 states and 4943 transitions. [2023-12-02 16:45:47,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-12-02 16:45:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 4943 transitions. [2023-12-02 16:45:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-02 16:45:47,316 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:45:47,317 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:45:47,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:45:47,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2023-12-02 16:45:47,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:45:47,319 INFO L85 PathProgramCache]: Analyzing trace with hash -679429683, now seen corresponding path program 1 times [2023-12-02 16:45:47,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:45:47,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853168964] [2023-12-02 16:45:47,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:45:47,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:48:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:48:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-12-02 16:48:54,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:48:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853168964] [2023-12-02 16:48:54,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853168964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:48:54,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:48:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:48:54,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587873557] [2023-12-02 16:48:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:48:54,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:48:54,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:48:54,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:48:54,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:48:54,518 INFO L87 Difference]: Start difference. First operand 3428 states and 4943 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-02 16:48:56,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:48:58,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:49:02,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:49:05,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:49:05,502 INFO L93 Difference]: Finished difference Result 9690 states and 13915 transitions. [2023-12-02 16:49:05,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:49:05,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 169 [2023-12-02 16:49:05,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:49:05,556 INFO L225 Difference]: With dead ends: 9690 [2023-12-02 16:49:05,557 INFO L226 Difference]: Without dead ends: 6291 [2023-12-02 16:49:05,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:49:05,578 INFO L413 NwaCegarLoop]: 2155 mSDtfsCounter, 2093 mSDsluCounter, 2094 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2093 SdHoareTripleChecker+Valid, 4249 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:49:05,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2093 Valid, 4249 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 847 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2023-12-02 16:49:05,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6291 states. [2023-12-02 16:49:05,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6291 to 6262. [2023-12-02 16:49:05,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6262 states, 3585 states have (on average 1.290934449093445) internal successors, (4628), 3739 states have internal predecessors, (4628), 2171 states have call successors, (2171), 506 states have call predecessors, (2171), 503 states have return successors, (2169), 2116 states have call predecessors, (2169), 2167 states have call successors, (2169) [2023-12-02 16:49:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6262 states to 6262 states and 8968 transitions. [2023-12-02 16:49:05,941 INFO L78 Accepts]: Start accepts. Automaton has 6262 states and 8968 transitions. Word has length 169 [2023-12-02 16:49:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:49:05,942 INFO L495 AbstractCegarLoop]: Abstraction has 6262 states and 8968 transitions. [2023-12-02 16:49:05,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-12-02 16:49:05,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6262 states and 8968 transitions. [2023-12-02 16:49:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-02 16:49:05,948 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:49:05,948 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:49:05,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 16:49:05,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2023-12-02 16:49:05,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:49:05,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1796515707, now seen corresponding path program 1 times [2023-12-02 16:49:05,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:49:05,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037017565] [2023-12-02 16:49:05,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:49:05,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:52:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:52:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2023-12-02 16:52:16,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:52:16,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037017565] [2023-12-02 16:52:16,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037017565] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:52:16,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:52:16,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:52:16,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748060586] [2023-12-02 16:52:16,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:52:16,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:52:16,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:52:16,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:52:16,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:52:16,056 INFO L87 Difference]: Start difference. First operand 6262 states and 8968 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 16:52:18,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:52:20,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:52:26,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:52:27,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:52:27,991 INFO L93 Difference]: Finished difference Result 13331 states and 19038 transitions. [2023-12-02 16:52:27,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:52:27,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 181 [2023-12-02 16:52:27,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:52:28,037 INFO L225 Difference]: With dead ends: 13331 [2023-12-02 16:52:28,037 INFO L226 Difference]: Without dead ends: 7098 [2023-12-02 16:52:28,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:52:28,061 INFO L413 NwaCegarLoop]: 2533 mSDtfsCounter, 2133 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 16 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2133 SdHoareTripleChecker+Valid, 4639 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:52:28,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2133 Valid, 4639 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 954 Invalid, 3 Unknown, 0 Unchecked, 11.6s Time] [2023-12-02 16:52:28,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7098 states. [2023-12-02 16:52:28,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7098 to 7071. [2023-12-02 16:52:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7071 states, 4054 states have (on average 1.2844104588061174) internal successors, (5207), 4228 states have internal predecessors, (5207), 2414 states have call successors, (2414), 605 states have call predecessors, (2414), 600 states have return successors, (2412), 2344 states have call predecessors, (2412), 2410 states have call successors, (2412) [2023-12-02 16:52:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7071 states to 7071 states and 10033 transitions. [2023-12-02 16:52:28,362 INFO L78 Accepts]: Start accepts. Automaton has 7071 states and 10033 transitions. Word has length 181 [2023-12-02 16:52:28,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:52:28,363 INFO L495 AbstractCegarLoop]: Abstraction has 7071 states and 10033 transitions. [2023-12-02 16:52:28,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 16:52:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 7071 states and 10033 transitions. [2023-12-02 16:52:28,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-02 16:52:28,368 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:52:28,368 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:52:28,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 16:52:28,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2023-12-02 16:52:28,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:52:28,369 INFO L85 PathProgramCache]: Analyzing trace with hash 282280161, now seen corresponding path program 1 times [2023-12-02 16:52:28,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:52:28,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672070118] [2023-12-02 16:52:28,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:52:28,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:55:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:55:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2023-12-02 16:55:32,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:55:32,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672070118] [2023-12-02 16:55:32,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672070118] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:55:32,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:55:32,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:55:32,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257153788] [2023-12-02 16:55:32,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:55:32,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:55:32,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:55:32,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:55:32,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:55:32,659 INFO L87 Difference]: Start difference. First operand 7071 states and 10033 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 16:55:34,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:55:37,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:55:43,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:55:43,025 INFO L93 Difference]: Finished difference Result 20063 states and 28390 transitions. [2023-12-02 16:55:43,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:55:43,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2023-12-02 16:55:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:55:43,111 INFO L225 Difference]: With dead ends: 20063 [2023-12-02 16:55:43,112 INFO L226 Difference]: Without dead ends: 13021 [2023-12-02 16:55:43,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:55:43,148 INFO L413 NwaCegarLoop]: 2588 mSDtfsCounter, 2176 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2176 SdHoareTripleChecker+Valid, 4681 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:55:43,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2176 Valid, 4681 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 946 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2023-12-02 16:55:43,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13021 states. [2023-12-02 16:55:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13021 to 12986. [2023-12-02 16:55:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12986 states, 7422 states have (on average 1.267448127189437) internal successors, (9407), 7733 states have internal predecessors, (9407), 4406 states have call successors, (4406), 1163 states have call predecessors, (4406), 1155 states have return successors, (4404), 4278 states have call predecessors, (4404), 4402 states have call successors, (4404) [2023-12-02 16:55:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12986 states to 12986 states and 18217 transitions. [2023-12-02 16:55:43,912 INFO L78 Accepts]: Start accepts. Automaton has 12986 states and 18217 transitions. Word has length 186 [2023-12-02 16:55:43,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:55:43,913 INFO L495 AbstractCegarLoop]: Abstraction has 12986 states and 18217 transitions. [2023-12-02 16:55:43,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-12-02 16:55:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 12986 states and 18217 transitions. [2023-12-02 16:55:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-12-02 16:55:43,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:55:43,923 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:55:43,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 16:55:43,923 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2023-12-02 16:55:43,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:55:43,923 INFO L85 PathProgramCache]: Analyzing trace with hash -849027754, now seen corresponding path program 1 times [2023-12-02 16:55:43,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:55:43,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194331066] [2023-12-02 16:55:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:55:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms