./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:16:48,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:16:48,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:16:48,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:16:48,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:16:49,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:16:49,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:16:49,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:16:49,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:16:49,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:16:49,016 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:16:49,016 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:16:49,017 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:16:49,019 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:16:49,020 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:16:49,020 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:16:49,021 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:16:49,021 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:16:49,022 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:16:49,022 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:16:49,023 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:16:49,023 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:16:49,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:16:49,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:16:49,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:16:49,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:16:49,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:16:49,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:16:49,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:16:49,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:16:49,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:16:49,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:16:49,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:16:49,031 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:16:49,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:16:49,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:16:49,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:16:49,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:16:49,033 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:16:49,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:16:49,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:16:49,034 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:16:49,034 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:16:49,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:16:49,036 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2023-11-23 21:16:49,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:16:49,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:16:49,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:16:49,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:16:49,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:16:49,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2023-11-23 21:16:52,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:16:53,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:16:53,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2023-11-23 21:16:53,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/data/ae59e3773/9879a5a0f4f04a6a903dc1430ef6fcc1/FLAGc08e9d04d [2023-11-23 21:16:53,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/data/ae59e3773/9879a5a0f4f04a6a903dc1430ef6fcc1 [2023-11-23 21:16:53,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:16:53,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:16:53,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:53,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:16:53,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:16:53,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:53" (1/1) ... [2023-11-23 21:16:53,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7caa3a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:53, skipping insertion in model container [2023-11-23 21:16:53,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:16:53" (1/1) ... [2023-11-23 21:16:53,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:16:58,222 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_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2023-11-23 21:16:58,227 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_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2023-11-23 21:16:58,227 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_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2023-11-23 21:16:58,228 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_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2023-11-23 21:16:58,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:58,354 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:16:58,488 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"); [5823] [2023-11-23 21:16:58,490 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)); [5830] [2023-11-23 21:16:58,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5837] [2023-11-23 21:16:58,493 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)); [5884-5885] [2023-11-23 21:16:58,493 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"); [5890-5892] [2023-11-23 21:16:58,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6028] [2023-11-23 21:16:58,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6036] [2023-11-23 21:16:58,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6044] [2023-11-23 21:16:58,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6051] [2023-11-23 21:16:58,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6058] [2023-11-23 21:16:58,508 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6065] [2023-11-23 21:16:58,511 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/dynamic_queue_limits.h"), "i" (74), "i" (12UL)); [6125-6126] [2023-11-23 21:16:58,519 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)); [6207-6208] [2023-11-23 21:16:58,523 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)); [6241-6242] [2023-11-23 21:16:58,537 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)); [6571-6572] [2023-11-23 21:16:58,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6578] [2023-11-23 21:16:58,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6736] [2023-11-23 21:16:58,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6776] [2023-11-23 21:16:58,631 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/realtek/8139cp.c"), "i" (487), "i" (12UL)); [7262-7263] [2023-11-23 21:16:58,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7547] [2023-11-23 21:16:58,649 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/realtek/8139cp.c"), "i" (675), "i" (12UL)); [7560-7561] [2023-11-23 21:16:58,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7787] [2023-11-23 21:16:58,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7820] [2023-11-23 21:16:58,675 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/realtek/8139cp.c"), "i" (848), "i" (12UL)); [7872-7873] [2023-11-23 21:16:58,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7889] [2023-11-23 21:16:58,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7891] [2023-11-23 21:16:58,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7906] [2023-11-23 21:16:58,679 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/realtek/8139cp.c"), "i" (881), "i" (12UL)); [7915-7916] [2023-11-23 21:16:58,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7923] [2023-11-23 21:16:58,745 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/realtek/8139cp.c"), "i" (1541), "i" (12UL)); [8947-8948] [2023-11-23 21:16:58,751 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/realtek/8139cp.c"), "i" (1588), "i" (12UL)); [9069-9070] [2023-11-23 21:16:58,878 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_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2023-11-23 21:16:58,879 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_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2023-11-23 21:16:58,880 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_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2023-11-23 21:16:58,881 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_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2023-11-23 21:16:58,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:16:59,272 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:16:59,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59 WrapperNode [2023-11-23 21:16:59,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:16:59,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:59,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:16:59,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:16:59,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:16:59,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:16:59,834 INFO L138 Inliner]: procedures = 541, calls = 2452, calls flagged for inlining = 276, calls inlined = 247, statements flattened = 6391 [2023-11-23 21:16:59,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:16:59,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:16:59,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:16:59,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:16:59,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:16:59,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:16:59,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:16:59,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:17:00,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:17:00,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:17:00,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:17:00,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:17:00,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:00,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:00,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:00,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:00,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (1/1) ... [2023-11-23 21:17:00,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:00,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:00,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:00,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54ebdf65-f3a9-49cf-8f3b-99fc4c14e53b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:00,378 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2023-11-23 21:17:00,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2023-11-23 21:17:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:17:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:17:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:17:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:17:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:17:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:17:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:17:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:17:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2023-11-23 21:17:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2023-11-23 21:17:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:17:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:17:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2023-11-23 21:17:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2023-11-23 21:17:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:17:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:17:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:17:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:17:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2023-11-23 21:17:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2023-11-23 21:17:00,382 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:17:00,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:17:00,383 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-23 21:17:00,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-23 21:17:00,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 21:17:00,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 21:17:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:17:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:17:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:17:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:17:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:17:00,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:17:00,385 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:17:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:17:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:17:00,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:17:00,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:17:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:17:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:17:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2023-11-23 21:17:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2023-11-23 21:17:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2023-11-23 21:17:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2023-11-23 21:17:00,387 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:17:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:17:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-23 21:17:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-23 21:17:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:17:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:17:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:17:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2023-11-23 21:17:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2023-11-23 21:17:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:17:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:17:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:17:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:17:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:17:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:17:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2023-11-23 21:17:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2023-11-23 21:17:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:17:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:17:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:17:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:17:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-23 21:17:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-23 21:17:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:17:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:17:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-23 21:17:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-23 21:17:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2023-11-23 21:17:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2023-11-23 21:17:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:17:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:17:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:17:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:17:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:17:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2023-11-23 21:17:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2023-11-23 21:17:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:17:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:17:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:17:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:17:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:17:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:17:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:17:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:17:00,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:17:00,397 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2023-11-23 21:17:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2023-11-23 21:17:00,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:17:00,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:17:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:17:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:17:00,399 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-23 21:17:00,399 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-23 21:17:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:17:00,400 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:17:00,400 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2023-11-23 21:17:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2023-11-23 21:17:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:17:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:17:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-23 21:17:00,401 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-23 21:17:00,401 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:17:00,402 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:17:00,402 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:17:00,403 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:17:00,405 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2023-11-23 21:17:00,406 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2023-11-23 21:17:00,406 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-23 21:17:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-23 21:17:00,407 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-23 21:17:00,407 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-23 21:17:00,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:00,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:00,409 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2023-11-23 21:17:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2023-11-23 21:17:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2023-11-23 21:17:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2023-11-23 21:17:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:17:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:17:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:17:00,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:17:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2023-11-23 21:17:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2023-11-23 21:17:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:17:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:17:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:17:00,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:17:00,418 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2023-11-23 21:17:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2023-11-23 21:17:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2023-11-23 21:17:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2023-11-23 21:17:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-23 21:17:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-23 21:17:00,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:17:00,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:17:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:17:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:17:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-23 21:17:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-23 21:17:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-11-23 21:17:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-11-23 21:17:00,420 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:17:00,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:17:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2023-11-23 21:17:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2023-11-23 21:17:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:17:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:17:00,421 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-23 21:17:00,421 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-23 21:17:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-23 21:17:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-23 21:17:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:17:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-23 21:17:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-23 21:17:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:17:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2023-11-23 21:17:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2023-11-23 21:17:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-23 21:17:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-23 21:17:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2023-11-23 21:17:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2023-11-23 21:17:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-23 21:17:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-23 21:17:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2023-11-23 21:17:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2023-11-23 21:17:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2023-11-23 21:17:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2023-11-23 21:17:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:17:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:17:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:17:00,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-23 21:17:00,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-23 21:17:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:17:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:17:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:17:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:17:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 21:17:00,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 21:17:00,425 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:17:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:17:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:17:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:17:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2023-11-23 21:17:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2023-11-23 21:17:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2023-11-23 21:17:00,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2023-11-23 21:17:00,426 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-23 21:17:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-23 21:17:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-23 21:17:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-23 21:17:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:17:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:17:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2023-11-23 21:17:00,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2023-11-23 21:17:00,427 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:17:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:17:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2023-11-23 21:17:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2023-11-23 21:17:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:17:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:17:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:17:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2023-11-23 21:17:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2023-11-23 21:17:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:17:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:17:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2023-11-23 21:17:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2023-11-23 21:17:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:17:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:17:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2023-11-23 21:17:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2023-11-23 21:17:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2023-11-23 21:17:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2023-11-23 21:17:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2023-11-23 21:17:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2023-11-23 21:17:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:17:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:17:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-23 21:17:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-23 21:17:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-23 21:17:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-23 21:17:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:17:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:17:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:00,431 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2023-11-23 21:17:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2023-11-23 21:17:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:17:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:17:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-23 21:17:00,432 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-23 21:17:00,432 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2023-11-23 21:17:00,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2023-11-23 21:17:01,383 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:01,388 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:01,530 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:17:16,246 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:17:16,618 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:19,791 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:19,791 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:17:19,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:19 BoogieIcfgContainer [2023-11-23 21:17:19,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:19,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:19,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:19,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:19,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:16:53" (1/3) ... [2023-11-23 21:17:19,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e33c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:19, skipping insertion in model container [2023-11-23 21:17:19,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:16:59" (2/3) ... [2023-11-23 21:17:19,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e33c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:19, skipping insertion in model container [2023-11-23 21:17:19,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:19" (3/3) ... [2023-11-23 21:17:19,807 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2023-11-23 21:17:19,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:19,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:17:19,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:19,950 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4dbc290b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:19,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:17:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 1573 states, 882 states have (on average 1.2585034013605443) internal successors, (1110), 905 states have internal predecessors, (1110), 578 states have call successors, (578), 111 states have call predecessors, (578), 110 states have return successors, (573), 569 states have call predecessors, (573), 573 states have call successors, (573) [2023-11-23 21:17:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-23 21:17:19,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:19,991 INFO L195 NwaCegarLoop]: trace histogram [17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:19,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:17:19,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:19,997 INFO L85 PathProgramCache]: Analyzing trace with hash 132776489, now seen corresponding path program 1 times [2023-11-23 21:17:20,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:20,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020078000] [2023-11-23 21:17:20,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:20,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-23 21:17:30,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:30,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020078000] [2023-11-23 21:17:30,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020078000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:30,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:30,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:30,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994596754] [2023-11-23 21:17:30,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:30,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:30,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:30,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:30,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:30,743 INFO L87 Difference]: Start difference. First operand has 1573 states, 882 states have (on average 1.2585034013605443) internal successors, (1110), 905 states have internal predecessors, (1110), 578 states have call successors, (578), 111 states have call predecessors, (578), 110 states have return successors, (573), 569 states have call predecessors, (573), 573 states have call successors, (573) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-23 21:17:32,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:17:35,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []