./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6b2cae6d498f7aa4576ffcfd28b3f955c7840001d7c2abb7c90b6970c97881d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:21:36,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:21:36,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:21:36,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:21:36,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:21:36,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:21:36,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:21:36,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:21:36,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:21:36,677 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:21:36,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:21:36,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:21:36,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:21:36,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:21:36,681 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:21:36,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:21:36,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:21:36,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:21:36,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:21:36,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:21:36,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:21:36,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:21:36,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:21:36,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:21:36,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:21:36,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:21:36,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:21:36,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:21:36,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:36,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:21:36,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:21:36,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:21:36,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:21:36,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:21:36,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:21:36,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:21:36,702 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:21:36,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:21:36,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:21:36,703 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b2cae6d498f7aa4576ffcfd28b3f955c7840001d7c2abb7c90b6970c97881d1 [2023-11-21 22:21:37,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:21:37,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:21:37,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:21:37,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:21:37,087 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:21:37,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2023-11-21 22:21:40,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:21:41,120 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:21:41,122 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2023-11-21 22:21:41,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/data/420eb43ac/dd7368912e224511926f5904e19b0952/FLAG46e2a734f [2023-11-21 22:21:41,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/data/420eb43ac/dd7368912e224511926f5904e19b0952 [2023-11-21 22:21:41,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:21:41,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:21:41,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:41,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:21:41,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:21:41,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:41" (1/1) ... [2023-11-21 22:21:41,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a911d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:41, skipping insertion in model container [2023-11-21 22:21:41,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:21:41" (1/1) ... [2023-11-21 22:21:41,471 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:21:44,371 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_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[314801,314814] [2023-11-21 22:21:44,376 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_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[314970,314983] [2023-11-21 22:21:44,376 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_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315137,315150] [2023-11-21 22:21:44,377 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_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315305,315318] [2023-11-21 22:21:44,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:44,515 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:21:44,629 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"); [5204] [2023-11-21 22:21:44,631 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)); [5211] [2023-11-21 22:21:44,633 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)); [5246-5247] [2023-11-21 22:21:44,633 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"); [5252-5254] [2023-11-21 22:21:44,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [5314] [2023-11-21 22:21:44,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5317] [2023-11-21 22:21:44,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5320] [2023-11-21 22:21:44,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [5323] [2023-11-21 22:21:44,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5392] [2023-11-21 22:21:44,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5438] [2023-11-21 22:21:44,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5446] [2023-11-21 22:21:44,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5453] [2023-11-21 22:21:44,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [5461] [2023-11-21 22:21:44,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5468] [2023-11-21 22:21:44,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5476] [2023-11-21 22:21:44,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsl": "+S" (addr), "+c" (count): "d" (port)); [5483] [2023-11-21 22:21:44,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insl": "+D" (addr), "+c" (count): "d" (port)); [5490] [2023-11-21 22:21:44,658 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)); [5559-5560] [2023-11-21 22:21:44,663 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)); [5593-5594] [2023-11-21 22:21:44,908 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_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[314801,314814] [2023-11-21 22:21:44,909 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_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[314970,314983] [2023-11-21 22:21:44,910 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_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315137,315150] [2023-11-21 22:21:44,910 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_35d4d267-bb09-4b18-8590-a04c00ccf6ee/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315305,315318] [2023-11-21 22:21:44,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:21:45,131 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:21:45,132 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:21:45,132 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:21:45,140 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:21:45,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45 WrapperNode [2023-11-21 22:21:45,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:21:45,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:45,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:21:45,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:21:45,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:45,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:45,545 INFO L138 Inliner]: procedures = 391, calls = 1848, calls flagged for inlining = 177, calls inlined = 156, statements flattened = 5000 [2023-11-21 22:21:45,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:21:45,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:21:45,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:21:45,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:21:45,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:45,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:45,609 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:46,581 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:21:46,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:46,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:46,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:46,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:46,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:46,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:46,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:21:46,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:21:46,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:21:46,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:21:46,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (1/1) ... [2023-11-21 22:21:46,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:21:46,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:21:46,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:21:47,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d4d267-bb09-4b18-8590-a04c00ccf6ee/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:21:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:21:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:21:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 22:21:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 22:21:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:21:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:21:47,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:21:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 22:21:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:21:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:21:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2023-11-21 22:21:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2023-11-21 22:21:47,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-21 22:21:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-21 22:21:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2023-11-21 22:21:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2023-11-21 22:21:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2023-11-21 22:21:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2023-11-21 22:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 22:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2023-11-21 22:21:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2023-11-21 22:21:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:21:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-21 22:21:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-21 22:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:21:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:21:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:21:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:21:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:21:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:21:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:21:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:21:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-21 22:21:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-21 22:21:47,033 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:21:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2023-11-21 22:21:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2023-11-21 22:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:21:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:21:47,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:21:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:21:47,035 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2023-11-21 22:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2023-11-21 22:21:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2023-11-21 22:21:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2023-11-21 22:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:21:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:21:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:21:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2023-11-21 22:21:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2023-11-21 22:21:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:21:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2023-11-21 22:21:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2023-11-21 22:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:21:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:21:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2023-11-21 22:21:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2023-11-21 22:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2023-11-21 22:21:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2023-11-21 22:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:21:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 22:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:21:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2023-11-21 22:21:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2023-11-21 22:21:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2023-11-21 22:21:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2023-11-21 22:21:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:21:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:21:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:21:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:21:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:21:47,042 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:21:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:21:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:21:47,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:21:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 22:21:47,044 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 22:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 22:21:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2023-11-21 22:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2023-11-21 22:21:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:21:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 22:21:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 22:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:21:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:21:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:21:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2023-11-21 22:21:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2023-11-21 22:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:21:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:21:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:21:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:21:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 22:21:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 22:21:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 22:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:21:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:21:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:21:47,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:21:47,051 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:21:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:21:47,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:21:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 22:21:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-21 22:21:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-21 22:21:47,056 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:21:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:21:47,058 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 22:21:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 22:21:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:21:47,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:21:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-21 22:21:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-21 22:21:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2023-11-21 22:21:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2023-11-21 22:21:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2023-11-21 22:21:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2023-11-21 22:21:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 22:21:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 22:21:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:21:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:21:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 22:21:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 22:21:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2023-11-21 22:21:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2023-11-21 22:21:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:21:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-21 22:21:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-21 22:21:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:21:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:21:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2023-11-21 22:21:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2023-11-21 22:21:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2023-11-21 22:21:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2023-11-21 22:21:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-21 22:21:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-21 22:21:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 22:21:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 22:21:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:21:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:21:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2023-11-21 22:21:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2023-11-21 22:21:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2023-11-21 22:21:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2023-11-21 22:21:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 22:21:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 22:21:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2023-11-21 22:21:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2023-11-21 22:21:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-21 22:21:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-21 22:21:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:21:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-21 22:21:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-21 22:21:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:21:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:21:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2023-11-21 22:21:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2023-11-21 22:21:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-21 22:21:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-21 22:21:47,935 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:21:47,941 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:21:48,292 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:21:52,048 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:21:52,050 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:21:52,472 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-4: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2023-11-21 22:21:52,473 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-4: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2023-11-21 22:21:52,473 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561: assume 2096896 == ~tmp___4~7#1 % 18446744073709551616;#t~nondet751#1 := ~tmp___4~7#1; [2023-11-21 22:21:52,473 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561: assume !(2096896 == ~tmp___4~7#1 % 18446744073709551616);assume #t~nondet751#1 % 18446744073709551616 <= ~tmp___4~7#1 % 18446744073709551616;assume #t~nondet751#1 % 18446744073709551616 <= 2096896; [2023-11-21 22:21:52,473 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-2: assume 0 == #t~nondet751#1 % 18446744073709551616;havoc #t~nondet751#1; [2023-11-21 22:21:52,474 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8561-2: assume !(0 == #t~nondet751#1 % 18446744073709551616);havoc #t~nondet751#1; [2023-11-21 22:21:52,474 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8563: SUMMARY for call #t~ret752#1 := schedule_timeout_interruptible(1); srcloc: null [2023-11-21 22:21:52,474 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint L8563-1: assume -9223372036854775808 <= #t~ret752#1 && #t~ret752#1 <= 9223372036854775807;havoc #t~ret752#1; [2023-11-21 22:21:52,474 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0 == ~tmp___4~7#1 % 18446744073709551616); [2023-11-21 22:21:52,475 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0 == ~tmp___4~7#1 % 18446744073709551616;#t~nondet751#1 := 0; [2023-11-21 22:21:52,708 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:21:57,788 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:21:57,788 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:21:57,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:57 BoogieIcfgContainer [2023-11-21 22:21:57,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:21:57,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:21:57,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:21:57,799 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:21:57,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:21:41" (1/3) ... [2023-11-21 22:21:57,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cc31e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:57, skipping insertion in model container [2023-11-21 22:21:57,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:21:45" (2/3) ... [2023-11-21 22:21:57,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51cc31e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:21:57, skipping insertion in model container [2023-11-21 22:21:57,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:21:57" (3/3) ... [2023-11-21 22:21:57,803 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2023-11-21 22:21:57,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:21:57,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-21 22:21:57,935 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:21:57,945 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6793a7ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:21:57,946 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-21 22:21:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 1548 states, 855 states have (on average 1.302923976608187) internal successors, (1114), 897 states have internal predecessors, (1114), 611 states have call successors, (611), 81 states have call predecessors, (611), 80 states have return successors, (606), 593 states have call predecessors, (606), 606 states have call successors, (606) [2023-11-21 22:21:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 22:21:57,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:21:57,979 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:21:57,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 22:21:57,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:21:57,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1504860602, now seen corresponding path program 1 times [2023-11-21 22:21:58,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:21:58,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92656512] [2023-11-21 22:21:58,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:21:58,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:21:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:21:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:21:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:21:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:21:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:21:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-21 22:21:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:21:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 22:21:58,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:21:58,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92656512] [2023-11-21 22:21:58,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92656512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:21:58,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:21:58,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:21:58,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931917010] [2023-11-21 22:21:58,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:21:58,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:21:58,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:21:58,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:21:58,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:21:58,930 INFO L87 Difference]: Start difference. First operand has 1548 states, 855 states have (on average 1.302923976608187) internal successors, (1114), 897 states have internal predecessors, (1114), 611 states have call successors, (611), 81 states have call predecessors, (611), 80 states have return successors, (606), 593 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-21 22:22:08,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:08,463 INFO L93 Difference]: Finished difference Result 4709 states and 7220 transitions. [2023-11-21 22:22:08,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:22:08,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 57 [2023-11-21 22:22:08,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:22:08,540 INFO L225 Difference]: With dead ends: 4709 [2023-11-21 22:22:08,540 INFO L226 Difference]: Without dead ends: 3160 [2023-11-21 22:22:08,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:22:08,570 INFO L413 NwaCegarLoop]: 1053 mSDtfsCounter, 2914 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 3186 mSolverCounterSat, 1972 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3499 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 5158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1972 IncrementalHoareTripleChecker+Valid, 3186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:22:08,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3499 Valid, 2296 Invalid, 5158 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1972 Valid, 3186 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-11-21 22:22:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3160 states. [2023-11-21 22:22:08,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3160 to 3006. [2023-11-21 22:22:09,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3006 states, 1665 states have (on average 1.297897897897898) internal successors, (2161), 1745 states have internal predecessors, (2161), 1181 states have call successors, (1181), 158 states have call predecessors, (1181), 157 states have return successors, (1178), 1152 states have call predecessors, (1178), 1178 states have call successors, (1178) [2023-11-21 22:22:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 4520 transitions. [2023-11-21 22:22:09,045 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 4520 transitions. Word has length 57 [2023-11-21 22:22:09,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:22:09,046 INFO L495 AbstractCegarLoop]: Abstraction has 3006 states and 4520 transitions. [2023-11-21 22:22:09,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-21 22:22:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 4520 transitions. [2023-11-21 22:22:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 22:22:09,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:09,058 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:09,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:22:09,058 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)] === [2023-11-21 22:22:09,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:09,059 INFO L85 PathProgramCache]: Analyzing trace with hash 836648928, now seen corresponding path program 1 times [2023-11-21 22:22:09,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:09,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983755765] [2023-11-21 22:22:09,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:09,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:22:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:22:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:22:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:22:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:22:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-21 22:22:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 22:22:09,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:09,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983755765] [2023-11-21 22:22:09,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983755765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:09,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:09,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:22:09,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004205078] [2023-11-21 22:22:09,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:09,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:22:09,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:09,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:22:09,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:22:09,566 INFO L87 Difference]: Start difference. First operand 3006 states and 4520 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)