./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-natsemi-natsemi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu --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 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:54,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:54,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:05:54,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:54,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:54,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:54,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:54,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:54,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:54,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:54,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:54,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:54,297 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:54,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:54,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:54,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:54,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:54,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:54,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:54,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:54,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:54,312 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:54,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:54,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:54,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:54,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:54,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:54,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:54,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:54,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:54,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:05:54,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:54,319 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:54,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:54,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:54,321 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:54,322 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b [2023-11-19 08:05:54,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:54,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:54,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:54,620 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:54,621 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:54,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-19 08:05:57,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:58,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:58,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-19 08:05:58,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/data/94655fc61/e5ce167d9ccd401eb8a7183410cb214c/FLAG0f9292b1e [2023-11-19 08:05:58,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/data/94655fc61/e5ce167d9ccd401eb8a7183410cb214c [2023-11-19 08:05:58,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:58,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:58,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:58,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:58,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:58,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:58,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a494b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:58, skipping insertion in model container [2023-11-19 08:05:58,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:58" (1/1) ... [2023-11-19 08:05:59,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:02,778 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2023-11-19 08:06:02,783 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2023-11-19 08:06:02,783 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2023-11-19 08:06:02,784 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2023-11-19 08:06:02,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:02,869 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:06:03,024 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"); [5240] [2023-11-19 08:06:03,026 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)); [5247] [2023-11-19 08:06:03,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5254] [2023-11-19 08:06:03,029 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)); [5295-5296] [2023-11-19 08:06:03,029 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"); [5301-5303] [2023-11-19 08:06:03,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5461] [2023-11-19 08:06:03,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5469] [2023-11-19 08:06:03,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5476] [2023-11-19 08:06:03,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5483] [2023-11-19 08:06:03,046 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)); [5602-5603] [2023-11-19 08:06:03,048 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)); [5636-5637] [2023-11-19 08:06:03,050 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)); [5673-5674] [2023-11-19 08:06:03,051 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)); [5710-5711] [2023-11-19 08:06:03,058 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)); [5968-5969] [2023-11-19 08:06:03,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5975] [2023-11-19 08:06:03,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8603] [2023-11-19 08:06:03,165 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)(& np->rx_skbuff) + ((unsigned long )np->cur_rx & 31UL)) [8759] [2023-11-19 08:06:03,217 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 *)"drivers/net/ethernet/natsemi/natsemi.c"), "i" (3315), "i" (12UL)); [10311-10312] [2023-11-19 08:06:03,333 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2023-11-19 08:06:03,334 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2023-11-19 08:06:03,335 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2023-11-19 08:06:03,335 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_ab0fe1a8-0de7-4748-958a-5396b6d6868e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2023-11-19 08:06:03,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:03,644 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:06:03,644 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:06:03,652 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:06:03,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03 WrapperNode [2023-11-19 08:06:03,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:03,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:03,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:06:03,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:06:03,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:03,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,077 INFO L138 Inliner]: procedures = 512, calls = 2628, calls flagged for inlining = 249, calls inlined = 217, statements flattened = 6550 [2023-11-19 08:06:04,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:04,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:06:04,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:06:04,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:06:04,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:06:04,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:06:04,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:06:04,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:06:04,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (1/1) ... [2023-11-19 08:06:04,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:04,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:04,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:06:04,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab0fe1a8-0de7-4748-958a-5396b6d6868e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:06:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2023-11-19 08:06:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2023-11-19 08:06:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 08:06:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 08:06:04,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 08:06:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2023-11-19 08:06:04,643 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2023-11-19 08:06:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 08:06:04,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 08:06:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 08:06:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 08:06:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 08:06:04,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 08:06:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2023-11-19 08:06:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2023-11-19 08:06:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 08:06:04,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 08:06:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:06:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:06:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2023-11-19 08:06:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2023-11-19 08:06:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 08:06:04,647 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 08:06:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 08:06:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 08:06:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2023-11-19 08:06:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2023-11-19 08:06:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 08:06:04,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 08:06:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 08:06:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 08:06:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 08:06:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 08:06:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 08:06:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 08:06:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 08:06:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 08:06:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 08:06:04,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 08:06:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 08:06:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 08:06:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 08:06:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 08:06:04,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 08:06:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 08:06:04,651 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 08:06:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 08:06:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 08:06:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 08:06:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 08:06:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-19 08:06:04,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-19 08:06:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 08:06:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 08:06:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-19 08:06:04,653 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-19 08:06:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:06:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 08:06:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 08:06:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-19 08:06:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-19 08:06:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 08:06:04,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 08:06:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2023-11-19 08:06:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2023-11-19 08:06:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 08:06:04,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 08:06:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2023-11-19 08:06:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2023-11-19 08:06:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2023-11-19 08:06:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2023-11-19 08:06:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:06:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 08:06:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 08:06:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 08:06:04,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 08:06:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2023-11-19 08:06:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2023-11-19 08:06:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:06:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 08:06:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 08:06:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:06:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 08:06:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 08:06:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 08:06:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 08:06:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2023-11-19 08:06:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2023-11-19 08:06:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:06:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:06:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 08:06:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 08:06:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 08:06:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 08:06:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 08:06:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 08:06:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2023-11-19 08:06:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2023-11-19 08:06:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2023-11-19 08:06:04,660 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2023-11-19 08:06:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-19 08:06:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-19 08:06:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 08:06:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 08:06:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:06:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 08:06:04,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 08:06:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 08:06:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 08:06:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 08:06:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 08:06:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:06:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-11-19 08:06:04,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-11-19 08:06:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 08:06:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 08:06:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:06:04,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:06:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:06:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:06:04,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 08:06:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 08:06:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 08:06:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2023-11-19 08:06:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2023-11-19 08:06:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 08:06:04,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 08:06:04,665 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2023-11-19 08:06:04,666 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2023-11-19 08:06:04,666 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 08:06:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 08:06:04,673 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 08:06:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 08:06:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 08:06:04,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 08:06:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 08:06:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 08:06:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 08:06:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 08:06:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2023-11-19 08:06:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2023-11-19 08:06:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-19 08:06:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-19 08:06:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 08:06:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 08:06:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2023-11-19 08:06:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2023-11-19 08:06:04,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:06:04,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:06:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:06:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:06:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 08:06:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 08:06:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2023-11-19 08:06:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2023-11-19 08:06:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-19 08:06:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-19 08:06:04,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 08:06:04,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 08:06:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 08:06:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 08:06:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2023-11-19 08:06:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2023-11-19 08:06:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 08:06:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 08:06:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-19 08:06:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-19 08:06:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2023-11-19 08:06:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2023-11-19 08:06:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 08:06:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 08:06:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2023-11-19 08:06:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2023-11-19 08:06:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-19 08:06:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-19 08:06:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 08:06:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 08:06:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 08:06:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 08:06:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-19 08:06:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-19 08:06:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 08:06:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 08:06:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 08:06:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 08:06:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-19 08:06:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-19 08:06:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:06:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2023-11-19 08:06:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2023-11-19 08:06:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 08:06:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 08:06:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2023-11-19 08:06:04,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2023-11-19 08:06:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:06:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:06:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:06:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:06:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-11-19 08:06:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-11-19 08:06:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 08:06:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 08:06:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-19 08:06:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-19 08:06:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_68 [2023-11-19 08:06:04,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_68 [2023-11-19 08:06:04,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 08:06:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 08:06:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 08:06:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 08:06:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2023-11-19 08:06:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2023-11-19 08:06:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2023-11-19 08:06:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2023-11-19 08:06:04,689 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 08:06:04,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 08:06:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-19 08:06:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-19 08:06:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2023-11-19 08:06:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2023-11-19 08:06:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2023-11-19 08:06:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2023-11-19 08:06:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 08:06:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 08:06:04,690 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 08:06:04,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 08:06:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 08:06:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 08:06:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 08:06:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 08:06:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2023-11-19 08:06:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2023-11-19 08:06:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-19 08:06:04,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-19 08:06:04,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:06:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-11-19 08:06:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-11-19 08:06:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:06:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:06:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2023-11-19 08:06:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2023-11-19 08:06:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2023-11-19 08:06:04,692 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2023-11-19 08:06:04,692 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-19 08:06:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-19 08:06:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 08:06:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 08:06:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_69 [2023-11-19 08:06:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_69 [2023-11-19 08:06:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 08:06:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 08:06:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-19 08:06:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-19 08:06:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2023-11-19 08:06:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2023-11-19 08:06:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-11-19 08:06:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-11-19 08:06:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-11-19 08:06:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-11-19 08:06:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 08:06:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 08:06:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-19 08:06:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-19 08:06:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-19 08:06:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-19 08:06:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2023-11-19 08:06:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2023-11-19 08:06:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2023-11-19 08:06:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2023-11-19 08:06:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 08:06:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 08:06:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:06:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2023-11-19 08:06:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2023-11-19 08:06:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 08:06:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 08:06:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 08:06:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 08:06:05,776 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:06:05,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:06,601 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 08:06:11,239 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 08:06:11,414 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:11,442 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:11,442 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:06:11,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:11 BoogieIcfgContainer [2023-11-19 08:06:11,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:11,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:11,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:11,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:11,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:58" (1/3) ... [2023-11-19 08:06:11,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c73c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:11, skipping insertion in model container [2023-11-19 08:06:11,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:03" (2/3) ... [2023-11-19 08:06:11,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c73c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:11, skipping insertion in model container [2023-11-19 08:06:11,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:11" (3/3) ... [2023-11-19 08:06:11,466 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-19 08:06:11,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:11,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 08:06:11,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:06:11,599 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;@57c2bd72, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:06:11,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 08:06:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 3035 states, 2109 states have (on average 1.3840682788051208) internal successors, (2919), 2146 states have internal predecessors, (2919), 794 states have call successors, (794), 130 states have call predecessors, (794), 129 states have return successors, (788), 779 states have call predecessors, (788), 788 states have call successors, (788) [2023-11-19 08:06:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-19 08:06:11,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:11,643 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:11,643 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)] === [2023-11-19 08:06:11,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:11,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1840489921, now seen corresponding path program 1 times [2023-11-19 08:06:11,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:11,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115825535] [2023-11-19 08:06:11,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:06:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:06:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:06:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:06:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:06:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:06:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:06:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:06:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 08:06:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 08:06:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 08:06:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 08:06:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 08:06:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 08:06:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 08:06:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-19 08:06:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-19 08:06:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-19 08:06:13,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:13,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115825535] [2023-11-19 08:06:13,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115825535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:13,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:13,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:06:13,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273255805] [2023-11-19 08:06:13,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:13,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:06:13,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:13,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:06:13,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:06:13,356 INFO L87 Difference]: Start difference. First operand has 3035 states, 2109 states have (on average 1.3840682788051208) internal successors, (2919), 2146 states have internal predecessors, (2919), 794 states have call successors, (794), 130 states have call predecessors, (794), 129 states have return successors, (788), 779 states have call predecessors, (788), 788 states have call successors, (788) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 08:06:24,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:24,598 INFO L93 Difference]: Finished difference Result 9045 states and 13781 transitions. [2023-11-19 08:06:24,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:06:24,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 193 [2023-11-19 08:06:24,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:24,690 INFO L225 Difference]: With dead ends: 9045 [2023-11-19 08:06:24,690 INFO L226 Difference]: Without dead ends: 6035 [2023-11-19 08:06:24,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:06:24,735 INFO L413 NwaCegarLoop]: 2636 mSDtfsCounter, 6114 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 4479 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6843 SdHoareTripleChecker+Valid, 6468 SdHoareTripleChecker+Invalid, 6785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 4479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:24,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6843 Valid, 6468 Invalid, 6785 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2306 Valid, 4479 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2023-11-19 08:06:24,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6035 states. [2023-11-19 08:06:25,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6035 to 5925. [2023-11-19 08:06:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5925 states, 4140 states have (on average 1.358695652173913) internal successors, (5625), 4213 states have internal predecessors, (5625), 1528 states have call successors, (1528), 255 states have call predecessors, (1528), 254 states have return successors, (1524), 1506 states have call predecessors, (1524), 1524 states have call successors, (1524) [2023-11-19 08:06:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5925 states to 5925 states and 8677 transitions. [2023-11-19 08:06:25,304 INFO L78 Accepts]: Start accepts. Automaton has 5925 states and 8677 transitions. Word has length 193 [2023-11-19 08:06:25,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:25,309 INFO L495 AbstractCegarLoop]: Abstraction has 5925 states and 8677 transitions. [2023-11-19 08:06:25,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 08:06:25,309 INFO L276 IsEmpty]: Start isEmpty. Operand 5925 states and 8677 transitions. [2023-11-19 08:06:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 08:06:25,326 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:25,327 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:25,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:06:25,328 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)] === [2023-11-19 08:06:25,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:25,329 INFO L85 PathProgramCache]: Analyzing trace with hash 203802794, now seen corresponding path program 1 times [2023-11-19 08:06:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065358631] [2023-11-19 08:06:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:25,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:06:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:06:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:06:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:06:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:06:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:06:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:06:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:06:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 08:06:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 08:06:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 08:06:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 08:06:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 08:06:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 08:06:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 08:06:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-19 08:06:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-19 08:06:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-19 08:06:26,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:26,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065358631] [2023-11-19 08:06:26,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065358631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:26,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:26,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:06:26,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983872233] [2023-11-19 08:06:26,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:26,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:06:26,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:26,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:06:26,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:06:26,062 INFO L87 Difference]: Start difference. First operand 5925 states and 8677 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 08:06:35,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:35,912 INFO L93 Difference]: Finished difference Result 16333 states and 23870 transitions. [2023-11-19 08:06:35,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:06:35,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 202 [2023-11-19 08:06:35,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:36,008 INFO L225 Difference]: With dead ends: 16333 [2023-11-19 08:06:36,009 INFO L226 Difference]: Without dead ends: 10443 [2023-11-19 08:06:36,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:06:36,044 INFO L413 NwaCegarLoop]: 2624 mSDtfsCounter, 4945 mSDsluCounter, 3785 mSDsCounter, 0 mSdLazyCounter, 4502 mSolverCounterSat, 2198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5548 SdHoareTripleChecker+Valid, 6409 SdHoareTripleChecker+Invalid, 6700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2198 IncrementalHoareTripleChecker+Valid, 4502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:36,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5548 Valid, 6409 Invalid, 6700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2198 Valid, 4502 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-11-19 08:06:36,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10443 states. [2023-11-19 08:06:36,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10443 to 10224. [2023-11-19 08:06:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10224 states, 6990 states have (on average 1.3434907010014305) internal successors, (9391), 7126 states have internal predecessors, (9391), 2740 states have call successors, (2740), 490 states have call predecessors, (2740), 491 states have return successors, (2744), 2691 states have call predecessors, (2744), 2736 states have call successors, (2744) [2023-11-19 08:06:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10224 states to 10224 states and 14875 transitions. [2023-11-19 08:06:36,878 INFO L78 Accepts]: Start accepts. Automaton has 10224 states and 14875 transitions. Word has length 202 [2023-11-19 08:06:36,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:36,880 INFO L495 AbstractCegarLoop]: Abstraction has 10224 states and 14875 transitions. [2023-11-19 08:06:36,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-19 08:06:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 10224 states and 14875 transitions. [2023-11-19 08:06:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-19 08:06:36,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:36,886 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:36,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:06:36,887 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)] === [2023-11-19 08:06:36,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash -753557953, now seen corresponding path program 1 times [2023-11-19 08:06:36,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:36,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805622476] [2023-11-19 08:06:36,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:36,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 08:06:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 08:06:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 08:06:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 08:06:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 08:06:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 08:06:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 08:06:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 08:06:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 08:06:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 08:06:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 08:06:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 08:06:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 08:06:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 08:06:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-19 08:06:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 08:06:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-19 08:06:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-19 08:06:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,682 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2023-11-19 08:06:37,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:37,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805622476] [2023-11-19 08:06:37,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805622476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:37,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:37,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:06:37,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009186606] [2023-11-19 08:06:37,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:37,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:06:37,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:37,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:06:37,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:06:37,686 INFO L87 Difference]: Start difference. First operand 10224 states and 14875 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18)