./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 0e0057cc 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91 --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 0.2.4-dev-0e0057c [2023-11-24 23:58:16,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:17,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:58:17,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:17,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:17,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:17,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:17,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:17,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:17,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:17,089 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:17,090 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:17,091 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:17,091 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:17,096 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:17,097 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:17,098 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:17,099 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:17,100 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:17,101 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:17,101 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:17,102 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:17,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:17,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:17,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:17,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:17,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:17,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:17,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:17,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:17,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:17,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:17,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:17,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:17,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:17,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:17,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:17,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:17,109 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:17,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:17,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:17,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:17,112 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:17,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:17,113 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2023-11-24 23:58:17,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:17,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:17,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:17,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:17,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:17,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2023-11-24 23:58:20,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:21,467 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:21,468 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2023-11-24 23:58:21,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/data/315421c09/f3e98e8b4a73477f9b856f36370cc1af/FLAG36690f2a0 [2023-11-24 23:58:21,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/data/315421c09/f3e98e8b4a73477f9b856f36370cc1af [2023-11-24 23:58:21,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:21,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:21,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:21,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:21,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:21,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:21" (1/1) ... [2023-11-24 23:58:21,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b929c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:21, skipping insertion in model container [2023-11-24 23:58:21,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:21" (1/1) ... [2023-11-24 23:58:21,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:26,107 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/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] [2023-11-24 23:58:26,112 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/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] [2023-11-24 23:58:26,114 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/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] [2023-11-24 23:58:26,119 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/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] [2023-11-24 23:58:26,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:26,255 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:26,392 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] [2023-11-24 23:58:26,394 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] [2023-11-24 23:58:26,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5837] [2023-11-24 23:58:26,398 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] [2023-11-24 23:58:26,398 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] [2023-11-24 23:58:26,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6028] [2023-11-24 23:58:26,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6036] [2023-11-24 23:58:26,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6044] [2023-11-24 23:58:26,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6051] [2023-11-24 23:58:26,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6058] [2023-11-24 23:58:26,404 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6065] [2023-11-24 23:58:26,406 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] [2023-11-24 23:58:26,421 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] [2023-11-24 23:58:26,425 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] [2023-11-24 23:58:26,438 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] [2023-11-24 23:58:26,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6578] [2023-11-24 23:58:26,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6736] [2023-11-24 23:58:26,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6776] [2023-11-24 23:58:26,526 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] [2023-11-24 23:58:26,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7547] [2023-11-24 23:58:26,540 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] [2023-11-24 23:58:26,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7787] [2023-11-24 23:58:26,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7820] [2023-11-24 23:58:26,558 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] [2023-11-24 23:58:26,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7889] [2023-11-24 23:58:26,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7891] [2023-11-24 23:58:26,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7906] [2023-11-24 23:58:26,562 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] [2023-11-24 23:58:26,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7923] [2023-11-24 23:58:26,617 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] [2023-11-24 23:58:26,622 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] [2023-11-24 23:58:26,748 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/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] [2023-11-24 23:58:26,749 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/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] [2023-11-24 23:58:26,750 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/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] [2023-11-24 23:58:26,751 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_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/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] [2023-11-24 23:58:26,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:27,173 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:27,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27 WrapperNode [2023-11-24 23:58:27,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:27,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:27,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:27,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:27,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,709 INFO L138 Inliner]: procedures = 541, calls = 2452, calls flagged for inlining = 276, calls inlined = 247, statements flattened = 6439 [2023-11-24 23:58:27,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:27,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:27,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:27,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:27,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:27,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:28,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:28,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:28,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:28,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:28,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:28,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:28,145 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:28,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (1/1) ... [2023-11-24 23:58:28,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:28,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:28,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2023-11-24 23:58:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2023-11-24 23:58:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:58:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:58:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:58:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:58:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:58:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:58:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2023-11-24 23:58:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2023-11-24 23:58:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:58:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:58:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2023-11-24 23:58:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2023-11-24 23:58:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:58:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:58:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:58:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:58:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2023-11-24 23:58:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2023-11-24 23:58:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-24 23:58:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-24 23:58:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-24 23:58:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-24 23:58:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:58:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:58:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:58:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:58:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:58:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:58:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:58:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:58:28,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e9ff2-5f9b-40a4-ab6b-c328e1f31c27/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:58:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:58:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:58:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:58:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:58:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:58:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:58:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2023-11-24 23:58:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2023-11-24 23:58:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2023-11-24 23:58:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2023-11-24 23:58:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:58:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:58:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-24 23:58:28,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-24 23:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:58:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2023-11-24 23:58:28,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2023-11-24 23:58:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:58:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:58:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:58:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:58:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:58:28,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:58:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2023-11-24 23:58:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2023-11-24 23:58:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:58:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:58:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:58:28,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:58:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-24 23:58:28,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-24 23:58:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:58:28,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:58:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-24 23:58:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-24 23:58:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2023-11-24 23:58:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2023-11-24 23:58:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:58:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:58:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:58:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:58:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:58:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2023-11-24 23:58:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2023-11-24 23:58:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:58:28,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:58:28,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:58:28,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:58:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-24 23:58:28,249 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-24 23:58:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:28,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:58:28,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:58:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:58:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2023-11-24 23:58:28,250 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2023-11-24 23:58:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:58:28,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:58:28,250 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:58:28,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:58:28,251 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-24 23:58:28,251 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-24 23:58:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:58:28,253 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:58:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2023-11-24 23:58:28,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2023-11-24 23:58:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:58:28,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:58:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-24 23:58:28,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-24 23:58:28,254 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-24 23:58:28,255 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-24 23:58:28,256 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:58:28,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:58:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2023-11-24 23:58:28,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2023-11-24 23:58:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-24 23:58:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-24 23:58:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-24 23:58:28,262 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-24 23:58:28,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:28,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2023-11-24 23:58:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2023-11-24 23:58:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2023-11-24 23:58:28,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2023-11-24 23:58:28,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:58:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:58:28,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:58:28,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:58:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2023-11-24 23:58:28,272 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2023-11-24 23:58:28,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:58:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:58:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:58:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:58:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2023-11-24 23:58:28,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2023-11-24 23:58:28,273 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2023-11-24 23:58:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2023-11-24 23:58:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2023-11-24 23:58:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2023-11-24 23:58:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:58:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:58:28,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:58:28,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2023-11-24 23:58:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2023-11-24 23:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-11-24 23:58:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-11-24 23:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-24 23:58:28,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-24 23:58:28,275 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2023-11-24 23:58:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2023-11-24 23:58:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:58:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:58:28,276 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-24 23:58:28,276 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-24 23:58:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-24 23:58:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-24 23:58:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:58:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:58:28,277 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:58:28,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:58:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2023-11-24 23:58:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2023-11-24 23:58:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-24 23:58:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-24 23:58:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2023-11-24 23:58:28,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2023-11-24 23:58:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-24 23:58:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-24 23:58:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2023-11-24 23:58:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2023-11-24 23:58:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2023-11-24 23:58:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2023-11-24 23:58:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:58:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:58:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:58:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-24 23:58:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-24 23:58:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-24 23:58:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-24 23:58:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-24 23:58:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-24 23:58:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-24 23:58:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-24 23:58:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:58:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:58:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:58:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:58:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2023-11-24 23:58:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2023-11-24 23:58:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2023-11-24 23:58:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2023-11-24 23:58:28,282 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-24 23:58:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-24 23:58:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:58:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:58:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:58:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:58:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2023-11-24 23:58:28,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2023-11-24 23:58:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:58:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:58:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2023-11-24 23:58:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2023-11-24 23:58:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:58:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:58:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:58:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2023-11-24 23:58:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2023-11-24 23:58:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:58:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:58:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2023-11-24 23:58:28,285 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2023-11-24 23:58:28,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:58:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:58:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2023-11-24 23:58:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2023-11-24 23:58:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2023-11-24 23:58:28,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2023-11-24 23:58:28,286 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2023-11-24 23:58:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2023-11-24 23:58:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:58:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:58:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-24 23:58:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-24 23:58:28,287 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-24 23:58:28,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-24 23:58:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-24 23:58:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-24 23:58:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2023-11-24 23:58:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2023-11-24 23:58:28,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:58:28,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:58:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-24 23:58:28,289 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-24 23:58:28,289 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2023-11-24 23:58:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2023-11-24 23:58:29,358 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:29,363 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:29,525 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:58:42,663 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:58:42,941 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:46,604 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:46,605 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:58:46,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:46 BoogieIcfgContainer [2023-11-24 23:58:46,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:46,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:46,614 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:46,619 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:46,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:21" (1/3) ... [2023-11-24 23:58:46,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7309f512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:46, skipping insertion in model container [2023-11-24 23:58:46,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:27" (2/3) ... [2023-11-24 23:58:46,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7309f512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:46, skipping insertion in model container [2023-11-24 23:58:46,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:46" (3/3) ... [2023-11-24 23:58:46,624 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2023-11-24 23:58:46,648 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:46,648 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:58:46,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:46,817 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;@685d0970, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:46,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:58:46,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 1577 states, 886 states have (on average 1.257336343115124) internal successors, (1114), 906 states have internal predecessors, (1114), 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) [2023-11-24 23:58:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-24 23:58:46,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:46,854 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] [2023-11-24 23:58:46,855 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)] === [2023-11-24 23:58:46,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:46,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2007674830, now seen corresponding path program 1 times [2023-11-24 23:58:46,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:46,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278649522] [2023-11-24 23:58:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:46,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-11-24 23:58:57,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:58:57,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278649522] [2023-11-24 23:58:57,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278649522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:57,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:57,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:57,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558152466] [2023-11-24 23:58:57,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:57,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:57,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:58:57,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:57,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:57,770 INFO L87 Difference]: Start difference. First operand has 1577 states, 886 states have (on average 1.257336343115124) internal successors, (1114), 906 states have internal predecessors, (1114), 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) [2023-11-24 23:58:59,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:02,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:07,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:59:07,903 INFO L93 Difference]: Finished difference Result 4601 states and 6745 transitions. [2023-11-24 23:59:07,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:59:07,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 177 [2023-11-24 23:59:07,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:59:07,965 INFO L225 Difference]: With dead ends: 4601 [2023-11-24 23:59:07,965 INFO L226 Difference]: Without dead ends: 3047 [2023-11-24 23:59:07,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:59:07,989 INFO L413 NwaCegarLoop]: 1932 mSDtfsCounter, 2147 mSDsluCounter, 1889 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 3821 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:59:07,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2147 Valid, 3821 Invalid, 689 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 684 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2023-11-24 23:59:08,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2023-11-24 23:59:08,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 3043. [2023-11-24 23:59:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 1722 states have (on average 1.2526132404181185) internal successors, (2157), 1760 states have internal predecessors, (2157), 1101 states have call successors, (1101), 218 states have call predecessors, (1101), 217 states have return successors, (1098), 1090 states have call predecessors, (1098), 1098 states have call successors, (1098) [2023-11-24 23:59:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4356 transitions. [2023-11-24 23:59:08,380 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4356 transitions. Word has length 177 [2023-11-24 23:59:08,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:59:08,386 INFO L495 AbstractCegarLoop]: Abstraction has 3043 states and 4356 transitions. [2023-11-24 23:59:08,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-24 23:59:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4356 transitions. [2023-11-24 23:59:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-24 23:59:08,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:59:08,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:59:08,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:59:08,404 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)] === [2023-11-24 23:59:08,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:59:08,405 INFO L85 PathProgramCache]: Analyzing trace with hash 183301028, now seen corresponding path program 1 times [2023-11-24 23:59:08,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:59:08,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369914345] [2023-11-24 23:59:08,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:59:08,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms