./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje --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 58d15a5feb7af6647b099d75992dc6c7c20191bdb135a07030e94ab68f234062 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:42:29,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:42:30,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 04:42:30,048 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:42:30,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:42:30,084 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:42:30,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:42:30,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:42:30,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:42:30,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:42:30,089 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:42:30,089 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:42:30,090 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:42:30,092 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:42:30,093 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:42:30,093 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:42:30,094 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:42:30,094 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:42:30,094 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:42:30,095 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:42:30,095 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:42:30,100 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:42:30,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:42:30,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:42:30,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:42:30,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:42:30,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:42:30,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:42:30,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:42:30,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:42:30,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:42:30,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:42:30,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:42:30,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:42:30,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:42:30,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:42:30,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:42:30,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:42:30,107 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:42:30,108 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:42:30,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:42:30,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:42:30,109 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:42:30,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:42:30,110 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58d15a5feb7af6647b099d75992dc6c7c20191bdb135a07030e94ab68f234062 [2024-11-09 04:42:30,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:42:30,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:42:30,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:42:30,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:42:30,403 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:42:30,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i Unable to find full path for "g++" [2024-11-09 04:42:32,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:42:33,060 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:42:33,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2024-11-09 04:42:33,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/data/ec05280d7/0c1503197e9d4502a86460ed50d05ac7/FLAG6a3466193 [2024-11-09 04:42:33,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/data/ec05280d7/0c1503197e9d4502a86460ed50d05ac7 [2024-11-09 04:42:33,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:42:33,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:42:33,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:42:33,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:42:33,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:42:33,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:42:33" (1/1) ... [2024-11-09 04:42:33,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28eda0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:33, skipping insertion in model container [2024-11-09 04:42:33,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:42:33" (1/1) ... [2024-11-09 04:42:33,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:42:37,020 WARN L250 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2024-11-09 04:42:37,025 WARN L250 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2024-11-09 04:42:37,025 WARN L250 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2024-11-09 04:42:37,026 WARN L250 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2024-11-09 04:42:37,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:42:37,206 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:42:37,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5331] [2024-11-09 04:42:37,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5338] [2024-11-09 04:42:37,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5345] [2024-11-09 04:42:37,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5416-5417] [2024-11-09 04:42:37,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5422-5424] [2024-11-09 04:42:37,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5602] [2024-11-09 04:42:37,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5616] [2024-11-09 04:42:37,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5624] [2024-11-09 04:42:37,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5716-5717] [2024-11-09 04:42:37,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5750-5751] [2024-11-09 04:42:37,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5787-5788] [2024-11-09 04:42:37,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5824-5825] [2024-11-09 04:42:37,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [6171-6172] [2024-11-09 04:42:37,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6178] [2024-11-09 04:42:37,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [6420] [2024-11-09 04:42:37,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6423] [2024-11-09 04:42:37,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6426] [2024-11-09 04:42:37,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [6429] [2024-11-09 04:42:37,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [6460] [2024-11-09 04:42:37,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6463] [2024-11-09 04:42:37,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6466] [2024-11-09 04:42:37,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [6469] [2024-11-09 04:42:37,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [6500] [2024-11-09 04:42:37,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6503] [2024-11-09 04:42:37,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6506] [2024-11-09 04:42:37,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [6509] [2024-11-09 04:42:37,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [6540] [2024-11-09 04:42:37,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6543] [2024-11-09 04:42:37,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6546] [2024-11-09 04:42:37,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [6549] [2024-11-09 04:42:37,400 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6993] [2024-11-09 04:42:37,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7407] [2024-11-09 04:42:37,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8080] [2024-11-09 04:42:37,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8099] [2024-11-09 04:42:37,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8112] [2024-11-09 04:42:37,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8117] [2024-11-09 04:42:37,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8130] [2024-11-09 04:42:37,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8142] [2024-11-09 04:42:37,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8668] [2024-11-09 04:42:37,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8670] [2024-11-09 04:42:37,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8717] [2024-11-09 04:42:37,742 WARN L250 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2024-11-09 04:42:37,743 WARN L250 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2024-11-09 04:42:37,744 WARN L250 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2024-11-09 04:42:37,744 WARN L250 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_674ddd3b-30e8-4231-ad73-a30d4308b4c0/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2024-11-09 04:42:37,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:42:38,111 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:42:38,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38 WrapperNode [2024-11-09 04:42:38,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:42:38,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:42:38,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:42:38,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:42:38,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,494 INFO L138 Inliner]: procedures = 559, calls = 3409, calls flagged for inlining = 292, calls inlined = 254, statements flattened = 7103 [2024-11-09 04:42:38,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:42:38,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:42:38,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:42:38,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:42:38,508 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:42:38,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:42:38,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:42:38,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:42:38,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (1/1) ... [2024-11-09 04:42:38,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:42:38,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:42:38,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:42:38,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_674ddd3b-30e8-4231-ad73-a30d4308b4c0/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:42:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-09 04:42:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-09 04:42:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-09 04:42:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-09 04:42:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-09 04:42:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-09 04:42:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-09 04:42:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-09 04:42:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 04:42:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 04:42:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-09 04:42:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-09 04:42:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 04:42:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-09 04:42:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2024-11-09 04:42:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2024-11-09 04:42:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_80 [2024-11-09 04:42:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_80 [2024-11-09 04:42:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-09 04:42:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-09 04:42:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-09 04:42:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-09 04:42:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-11-09 04:42:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-11-09 04:42:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-09 04:42:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-09 04:42:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-09 04:42:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-09 04:42:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2024-11-09 04:42:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2024-11-09 04:42:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-09 04:42:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-09 04:42:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-09 04:42:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-09 04:42:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-09 04:42:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-09 04:42:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-11-09 04:42:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-11-09 04:42:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2024-11-09 04:42:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2024-11-09 04:42:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-09 04:42:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-09 04:42:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-09 04:42:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-09 04:42:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-09 04:42:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-09 04:42:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-09 04:42:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-09 04:42:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-09 04:42:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-09 04:42:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 04:42:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 04:42:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-09 04:42:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-09 04:42:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:42:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2024-11-09 04:42:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2024-11-09 04:42:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-11-09 04:42:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-11-09 04:42:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2024-11-09 04:42:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2024-11-09 04:42:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-09 04:42:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-09 04:42:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-09 04:42:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-09 04:42:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-09 04:42:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-09 04:42:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2024-11-09 04:42:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2024-11-09 04:42:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-09 04:42:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-09 04:42:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 04:42:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-09 04:42:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-09 04:42:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2024-11-09 04:42:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2024-11-09 04:42:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:42:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-09 04:42:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-09 04:42:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-09 04:42:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-09 04:42:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-09 04:42:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-09 04:42:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2024-11-09 04:42:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2024-11-09 04:42:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2024-11-09 04:42:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2024-11-09 04:42:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-09 04:42:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-09 04:42:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-09 04:42:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-09 04:42:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2024-11-09 04:42:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2024-11-09 04:42:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 04:42:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-09 04:42:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2024-11-09 04:42:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2024-11-09 04:42:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:42:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-09 04:42:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-09 04:42:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-09 04:42:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-09 04:42:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-11-09 04:42:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-11-09 04:42:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2024-11-09 04:42:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2024-11-09 04:42:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:42:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-11-09 04:42:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-11-09 04:42:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-09 04:42:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-09 04:42:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-09 04:42:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-09 04:42:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 04:42:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-11-09 04:42:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2024-11-09 04:42:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-09 04:42:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-09 04:42:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 04:42:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-09 04:42:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2024-11-09 04:42:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2024-11-09 04:42:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-09 04:42:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-09 04:42:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2024-11-09 04:42:39,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2024-11-09 04:42:39,007 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-09 04:42:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-09 04:42:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rhine_private [2024-11-09 04:42:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rhine_private [2024-11-09 04:42:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-09 04:42:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-09 04:42:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-11-09 04:42:39,008 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-11-09 04:42:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-09 04:42:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-09 04:42:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-09 04:42:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-09 04:42:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2024-11-09 04:42:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2024-11-09 04:42:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-09 04:42:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-09 04:42:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_68 [2024-11-09 04:42:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_68 [2024-11-09 04:42:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2024-11-09 04:42:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2024-11-09 04:42:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2024-11-09 04:42:39,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2024-11-09 04:42:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rhine_private [2024-11-09 04:42:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rhine_private [2024-11-09 04:42:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-09 04:42:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-09 04:42:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:42:39,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:42:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-09 04:42:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-09 04:42:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 04:42:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-09 04:42:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-09 04:42:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 04:42:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-09 04:42:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2024-11-09 04:42:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2024-11-09 04:42:39,012 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-09 04:42:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-09 04:42:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-09 04:42:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-09 04:42:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 04:42:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 04:42:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2024-11-09 04:42:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2024-11-09 04:42:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2024-11-09 04:42:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2024-11-09 04:42:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-09 04:42:39,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-09 04:42:39,013 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2024-11-09 04:42:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2024-11-09 04:42:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-09 04:42:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-09 04:42:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-09 04:42:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-09 04:42:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2024-11-09 04:42:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2024-11-09 04:42:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_79 [2024-11-09 04:42:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_79 [2024-11-09 04:42:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-09 04:42:39,014 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-09 04:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-09 04:42:39,015 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-09 04:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-09 04:42:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-09 04:42:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 04:42:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2024-11-09 04:42:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2024-11-09 04:42:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2024-11-09 04:42:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2024-11-09 04:42:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 04:42:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2024-11-09 04:42:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2024-11-09 04:42:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-09 04:42:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-09 04:42:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2024-11-09 04:42:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2024-11-09 04:42:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-09 04:42:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-09 04:42:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-09 04:42:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-09 04:42:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 04:42:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 04:42:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2024-11-09 04:42:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2024-11-09 04:42:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2024-11-09 04:42:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2024-11-09 04:42:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-09 04:42:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-09 04:42:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-09 04:42:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-09 04:42:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-09 04:42:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-09 04:42:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-09 04:42:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-09 04:42:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-09 04:42:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-09 04:42:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-09 04:42:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-09 04:42:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-09 04:42:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-09 04:42:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-09 04:42:39,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-09 04:42:39,019 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-09 04:42:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-09 04:42:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-09 04:42:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-09 04:42:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2024-11-09 04:42:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2024-11-09 04:42:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2024-11-09 04:42:39,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2024-11-09 04:42:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2024-11-09 04:42:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2024-11-09 04:42:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-09 04:42:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-09 04:42:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2024-11-09 04:42:39,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2024-11-09 04:42:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:42:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_67 [2024-11-09 04:42:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_67 [2024-11-09 04:42:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-09 04:42:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-09 04:42:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2024-11-09 04:42:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2024-11-09 04:42:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-09 04:42:39,022 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-09 04:42:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2024-11-09 04:42:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2024-11-09 04:42:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2024-11-09 04:42:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2024-11-09 04:42:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2024-11-09 04:42:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2024-11-09 04:42:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2024-11-09 04:42:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2024-11-09 04:42:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2024-11-09 04:42:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2024-11-09 04:42:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-09 04:42:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-09 04:42:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-09 04:42:39,024 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-09 04:42:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-09 04:42:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-09 04:42:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2024-11-09 04:42:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2024-11-09 04:42:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2024-11-09 04:42:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2024-11-09 04:42:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-09 04:42:39,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-09 04:42:39,025 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-09 04:42:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-09 04:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2024-11-09 04:42:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2024-11-09 04:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2024-11-09 04:42:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2024-11-09 04:42:39,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-09 04:42:39,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-09 04:42:40,069 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:42:40,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:42:40,290 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-09 04:42:53,363 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-09 04:42:54,613 INFO L? ?]: Removed 2824 outVars from TransFormulas that were not future-live. [2024-11-09 04:42:54,614 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:42:57,555 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:42:57,556 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 04:42:57,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:57 BoogieIcfgContainer [2024-11-09 04:42:57,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:42:57,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:42:57,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:42:57,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:42:57,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:42:33" (1/3) ... [2024-11-09 04:42:57,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8a0312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:42:57, skipping insertion in model container [2024-11-09 04:42:57,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:38" (2/3) ... [2024-11-09 04:42:57,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8a0312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:42:57, skipping insertion in model container [2024-11-09 04:42:57,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:57" (3/3) ... [2024-11-09 04:42:57,569 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2024-11-09 04:42:57,586 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:42:57,587 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-09 04:42:57,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:42:57,714 INFO L333 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, 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;@4310654f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:42:57,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-09 04:42:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand has 1818 states, 1045 states have (on average 1.3177033492822967) internal successors, (1377), 1091 states have internal predecessors, (1377), 637 states have call successors, (637), 135 states have call predecessors, (637), 134 states have return successors, (628), 617 states have call predecessors, (628), 628 states have call successors, (628) [2024-11-09 04:42:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-09 04:42:57,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:42:57,750 INFO L215 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:42:57,750 INFO L396 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)] === [2024-11-09 04:42:57,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:42:57,754 INFO L85 PathProgramCache]: Analyzing trace with hash 651477920, now seen corresponding path program 1 times [2024-11-09 04:42:57,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:42:57,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787754533] [2024-11-09 04:42:57,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:42:57,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2024-11-09 04:43:07,527 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:07,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787754533] [2024-11-09 04:43:07,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787754533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:07,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:07,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:43:07,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516499770] [2024-11-09 04:43:07,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:07,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:43:07,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:07,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:43:07,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:43:07,573 INFO L87 Difference]: Start difference. First operand has 1818 states, 1045 states have (on average 1.3177033492822967) internal successors, (1377), 1091 states have internal predecessors, (1377), 637 states have call successors, (637), 135 states have call predecessors, (637), 134 states have return successors, (628), 617 states have call predecessors, (628), 628 states have call successors, (628) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-09 04:43:09,726 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 [] [2024-11-09 04:43:11,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:43:20,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:43:20,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:20,467 INFO L93 Difference]: Finished difference Result 5248 states and 7773 transitions. [2024-11-09 04:43:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:43:20,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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 164 [2024-11-09 04:43:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:20,533 INFO L225 Difference]: With dead ends: 5248 [2024-11-09 04:43:20,534 INFO L226 Difference]: Without dead ends: 3446 [2024-11-09 04:43:20,554 INFO L431 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 [2024-11-09 04:43:20,559 INFO L432 NwaCegarLoop]: 2187 mSDtfsCounter, 2452 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2452 SdHoareTripleChecker+Valid, 4315 SdHoareTripleChecker+Invalid, 834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:20,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2452 Valid, 4315 Invalid, 834 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 823 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2024-11-09 04:43:20,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2024-11-09 04:43:20,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 3442. [2024-11-09 04:43:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3442 states, 1982 states have (on average 1.2971745711402625) internal successors, (2571), 2063 states have internal predecessors, (2571), 1195 states have call successors, (1195), 263 states have call predecessors, (1195), 262 states have return successors, (1191), 1169 states have call predecessors, (1191), 1191 states have call successors, (1191) [2024-11-09 04:43:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 3442 states and 4957 transitions. [2024-11-09 04:43:20,926 INFO L78 Accepts]: Start accepts. Automaton has 3442 states and 4957 transitions. Word has length 164 [2024-11-09 04:43:20,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:20,927 INFO L471 AbstractCegarLoop]: Abstraction has 3442 states and 4957 transitions. [2024-11-09 04:43:20,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-09 04:43:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3442 states and 4957 transitions. [2024-11-09 04:43:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-09 04:43:20,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:20,941 INFO L215 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:20,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:43:20,942 INFO L396 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)] === [2024-11-09 04:43:20,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:20,942 INFO L85 PathProgramCache]: Analyzing trace with hash -615886426, now seen corresponding path program 1 times [2024-11-09 04:43:20,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:20,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636344717] [2024-11-09 04:43:20,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:20,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-11-09 04:43:30,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:30,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636344717] [2024-11-09 04:43:30,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636344717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:30,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:30,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:43:30,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024996415] [2024-11-09 04:43:30,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:30,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:43:30,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:30,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:43:30,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:43:30,269 INFO L87 Difference]: Start difference. First operand 3442 states and 4957 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-09 04:43:32,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:43:34,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:43:38,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:43:44,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:43:44,595 INFO L93 Difference]: Finished difference Result 9732 states and 13957 transitions. [2024-11-09 04:43:44,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:43:44,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 169 [2024-11-09 04:43:44,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:43:44,642 INFO L225 Difference]: With dead ends: 9732 [2024-11-09 04:43:44,643 INFO L226 Difference]: Without dead ends: 6319 [2024-11-09 04:43:44,661 INFO L431 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 [2024-11-09 04:43:44,662 INFO L432 NwaCegarLoop]: 2162 mSDtfsCounter, 2100 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2100 SdHoareTripleChecker+Valid, 4263 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:43:44,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2100 Valid, 4263 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 847 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2024-11-09 04:43:44,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6319 states. [2024-11-09 04:43:45,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6319 to 6290. [2024-11-09 04:43:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6290 states, 3613 states have (on average 1.2886797675062276) internal successors, (4656), 3767 states have internal predecessors, (4656), 2171 states have call successors, (2171), 506 states have call predecessors, (2171), 503 states have return successors, (2169), 2116 states have call predecessors, (2169), 2167 states have call successors, (2169) [2024-11-09 04:43:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6290 states to 6290 states and 8996 transitions. [2024-11-09 04:43:45,187 INFO L78 Accepts]: Start accepts. Automaton has 6290 states and 8996 transitions. Word has length 169 [2024-11-09 04:43:45,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:43:45,187 INFO L471 AbstractCegarLoop]: Abstraction has 6290 states and 8996 transitions. [2024-11-09 04:43:45,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-09 04:43:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 6290 states and 8996 transitions. [2024-11-09 04:43:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-09 04:43:45,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:43:45,196 INFO L215 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:43:45,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:43:45,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 04:43:45,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:43:45,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2128292757, now seen corresponding path program 1 times [2024-11-09 04:43:45,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:43:45,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975236344] [2024-11-09 04:43:45,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:43:45,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:43:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:43:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2024-11-09 04:43:53,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:43:53,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975236344] [2024-11-09 04:43:53,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975236344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:43:53,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:43:53,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:43:53,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381215742] [2024-11-09 04:43:53,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:43:53,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:43:53,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:43:53,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:43:53,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:43:53,320 INFO L87 Difference]: Start difference. First operand 6290 states and 8996 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-09 04:43:55,432 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 [] [2024-11-09 04:43:57,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:44:05,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:05,709 INFO L93 Difference]: Finished difference Result 17980 states and 25658 transitions. [2024-11-09 04:44:05,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:44:05,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2024-11-09 04:44:05,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:05,788 INFO L225 Difference]: With dead ends: 17980 [2024-11-09 04:44:05,788 INFO L226 Difference]: Without dead ends: 11719 [2024-11-09 04:44:05,824 INFO L431 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 [2024-11-09 04:44:05,828 INFO L432 NwaCegarLoop]: 2438 mSDtfsCounter, 2176 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2176 SdHoareTripleChecker+Valid, 4538 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:05,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2176 Valid, 4538 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 924 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2024-11-09 04:44:05,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11719 states. [2024-11-09 04:44:06,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11719 to 11686. [2024-11-09 04:44:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11686 states, 6679 states have (on average 1.2738433897290014) internal successors, (8508), 6957 states have internal predecessors, (8508), 4023 states have call successors, (4023), 986 states have call predecessors, (4023), 981 states have return successors, (4021), 3922 states have call predecessors, (4021), 4019 states have call successors, (4021) [2024-11-09 04:44:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11686 states to 11686 states and 16552 transitions. [2024-11-09 04:44:06,547 INFO L78 Accepts]: Start accepts. Automaton has 11686 states and 16552 transitions. Word has length 186 [2024-11-09 04:44:06,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:06,550 INFO L471 AbstractCegarLoop]: Abstraction has 11686 states and 16552 transitions. [2024-11-09 04:44:06,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-09 04:44:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand 11686 states and 16552 transitions. [2024-11-09 04:44:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 04:44:06,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:06,556 INFO L215 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:06,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:44:06,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 04:44:06,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:06,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1076744271, now seen corresponding path program 1 times [2024-11-09 04:44:06,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:44:06,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654204097] [2024-11-09 04:44:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:44:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2024-11-09 04:44:14,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:44:14,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654204097] [2024-11-09 04:44:14,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654204097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:14,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:44:14,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:44:14,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873633968] [2024-11-09 04:44:14,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:14,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:44:14,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:44:14,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:44:14,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:44:14,601 INFO L87 Difference]: Start difference. First operand 11686 states and 16552 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-09 04:44:16,714 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 [] [2024-11-09 04:44:18,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:44:25,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:44:28,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:28,682 INFO L93 Difference]: Finished difference Result 24709 states and 34890 transitions. [2024-11-09 04:44:28,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:44:28,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 181 [2024-11-09 04:44:28,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:28,797 INFO L225 Difference]: With dead ends: 24709 [2024-11-09 04:44:28,798 INFO L226 Difference]: Without dead ends: 13052 [2024-11-09 04:44:28,854 INFO L431 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 [2024-11-09 04:44:28,858 INFO L432 NwaCegarLoop]: 2573 mSDtfsCounter, 2139 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2139 SdHoareTripleChecker+Valid, 4686 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:28,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2139 Valid, 4686 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 959 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2024-11-09 04:44:28,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13052 states. [2024-11-09 04:44:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13052 to 13021. [2024-11-09 04:44:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13021 states, 7457 states have (on average 1.2661928389432748) internal successors, (9442), 7768 states have internal predecessors, (9442), 4406 states have call successors, (4406), 1163 states have call predecessors, (4406), 1155 states have return successors, (4404), 4278 states have call predecessors, (4404), 4402 states have call successors, (4404) [2024-11-09 04:44:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13021 states to 13021 states and 18252 transitions. [2024-11-09 04:44:29,701 INFO L78 Accepts]: Start accepts. Automaton has 13021 states and 18252 transitions. Word has length 181 [2024-11-09 04:44:29,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:29,701 INFO L471 AbstractCegarLoop]: Abstraction has 13021 states and 18252 transitions. [2024-11-09 04:44:29,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-09 04:44:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand 13021 states and 18252 transitions. [2024-11-09 04:44:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-09 04:44:29,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:29,710 INFO L215 NwaCegarLoop]: trace histogram [16, 14, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:29,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:44:29,711 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-09 04:44:29,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:29,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1129946332, now seen corresponding path program 1 times [2024-11-09 04:44:29,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:44:29,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975104826] [2024-11-09 04:44:29,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:29,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:44:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:44:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2024-11-09 04:44:37,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:44:37,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975104826] [2024-11-09 04:44:37,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975104826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:44:37,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:44:37,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:44:37,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355302725] [2024-11-09 04:44:37,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:44:37,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:44:37,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:44:37,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:44:37,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:44:37,825 INFO L87 Difference]: Start difference. First operand 13021 states and 18252 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-09 04:44:39,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:44:42,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:44:50,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:44:52,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:44:52,286 INFO L93 Difference]: Finished difference Result 35277 states and 49494 transitions. [2024-11-09 04:44:52,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:44:52,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 206 [2024-11-09 04:44:52,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:44:52,421 INFO L225 Difference]: With dead ends: 35277 [2024-11-09 04:44:52,421 INFO L226 Difference]: Without dead ends: 22285 [2024-11-09 04:44:52,474 INFO L431 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 [2024-11-09 04:44:52,475 INFO L432 NwaCegarLoop]: 2660 mSDtfsCounter, 2421 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 4788 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:44:52,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2421 Valid, 4788 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 939 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2024-11-09 04:44:52,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22285 states. [2024-11-09 04:44:53,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22285 to 22244. [2024-11-09 04:44:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22244 states, 12751 states have (on average 1.2635871696337542) internal successors, (16112), 13303 states have internal predecessors, (16112), 7517 states have call successors, (7517), 1988 states have call predecessors, (7517), 1973 states have return successors, (7517), 7281 states have call predecessors, (7517), 7513 states have call successors, (7517) [2024-11-09 04:44:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22244 states to 22244 states and 31146 transitions. [2024-11-09 04:44:53,887 INFO L78 Accepts]: Start accepts. Automaton has 22244 states and 31146 transitions. Word has length 206 [2024-11-09 04:44:53,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:44:53,887 INFO L471 AbstractCegarLoop]: Abstraction has 22244 states and 31146 transitions. [2024-11-09 04:44:53,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-09 04:44:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22244 states and 31146 transitions. [2024-11-09 04:44:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-09 04:44:53,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:44:53,893 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:44:53,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:44:53,893 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2024-11-09 04:44:53,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:44:53,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1993004847, now seen corresponding path program 1 times [2024-11-09 04:44:53,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:44:53,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547513115] [2024-11-09 04:44:53,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:44:53,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:45:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:45:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-11-09 04:45:03,714 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:45:03,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547513115] [2024-11-09 04:45:03,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547513115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:45:03,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:45:03,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:45:03,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715704936] [2024-11-09 04:45:03,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:45:03,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:45:03,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:45:03,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:45:03,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:45:03,717 INFO L87 Difference]: Start difference. First operand 22244 states and 31146 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 04:45:05,848 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 [] [2024-11-09 04:45:08,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:45:10,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:45:20,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:45:21,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:45:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:45:24,026 INFO L93 Difference]: Finished difference Result 22500 states and 31400 transitions. [2024-11-09 04:45:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:45:24,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 215 [2024-11-09 04:45:24,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:45:24,145 INFO L225 Difference]: With dead ends: 22500 [2024-11-09 04:45:24,145 INFO L226 Difference]: Without dead ends: 22498 [2024-11-09 04:45:24,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:45:24,158 INFO L432 NwaCegarLoop]: 2150 mSDtfsCounter, 2486 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2487 SdHoareTripleChecker+Valid, 6466 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:45:24,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2487 Valid, 6466 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1241 Invalid, 3 Unknown, 0 Unchecked, 19.4s Time] [2024-11-09 04:45:24,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22498 states. [2024-11-09 04:45:25,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22498 to 22496. [2024-11-09 04:45:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22496 states, 12898 states have (on average 1.2624437897348426) internal successors, (16283), 13458 states have internal predecessors, (16283), 7557 states have call successors, (7557), 2053 states have call predecessors, (7557), 2038 states have return successors, (7557), 7321 states have call predecessors, (7557), 7553 states have call successors, (7557) [2024-11-09 04:45:25,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22496 states to 22496 states and 31397 transitions. [2024-11-09 04:45:25,460 INFO L78 Accepts]: Start accepts. Automaton has 22496 states and 31397 transitions. Word has length 215 [2024-11-09 04:45:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:45:25,461 INFO L471 AbstractCegarLoop]: Abstraction has 22496 states and 31397 transitions. [2024-11-09 04:45:25,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 04:45:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 22496 states and 31397 transitions. [2024-11-09 04:45:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-09 04:45:25,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:45:25,467 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:45:25,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 04:45:25,468 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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)] === [2024-11-09 04:45:25,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:45:25,468 INFO L85 PathProgramCache]: Analyzing trace with hash -808548982, now seen corresponding path program 1 times [2024-11-09 04:45:25,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:45:25,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485027514] [2024-11-09 04:45:25,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:45:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:45:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:45:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2024-11-09 04:45:35,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:45:35,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485027514] [2024-11-09 04:45:35,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485027514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:45:35,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:45:35,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:45:35,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210253524] [2024-11-09 04:45:35,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:45:35,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:45:35,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:45:35,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:45:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:45:35,167 INFO L87 Difference]: Start difference. First operand 22496 states and 31397 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-09 04:45:37,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:45:39,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:45:41,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:45:53,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:45:53,215 INFO L93 Difference]: Finished difference Result 22502 states and 31402 transitions. [2024-11-09 04:45:53,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:45:53,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 220 [2024-11-09 04:45:53,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:45:53,345 INFO L225 Difference]: With dead ends: 22502 [2024-11-09 04:45:53,345 INFO L226 Difference]: Without dead ends: 22500 [2024-11-09 04:45:53,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:45:53,363 INFO L432 NwaCegarLoop]: 2155 mSDtfsCounter, 2494 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 6447 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2024-11-09 04:45:53,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 6447 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1222 Invalid, 3 Unknown, 0 Unchecked, 17.2s Time] [2024-11-09 04:45:53,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22500 states. [2024-11-09 04:45:54,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22500 to 22500. [2024-11-09 04:45:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22500 states, 12901 states have (on average 1.262382761026277) internal successors, (16286), 13461 states have internal predecessors, (16286), 7557 states have call successors, (7557), 2054 states have call predecessors, (7557), 2039 states have return successors, (7557), 7321 states have call predecessors, (7557), 7553 states have call successors, (7557) [2024-11-09 04:45:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22500 states to 22500 states and 31400 transitions. [2024-11-09 04:45:55,037 INFO L78 Accepts]: Start accepts. Automaton has 22500 states and 31400 transitions. Word has length 220 [2024-11-09 04:45:55,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:45:55,037 INFO L471 AbstractCegarLoop]: Abstraction has 22500 states and 31400 transitions. [2024-11-09 04:45:55,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-09 04:45:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 22500 states and 31400 transitions. [2024-11-09 04:45:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-09 04:45:55,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:45:55,045 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:45:55,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 04:45:55,046 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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)] === [2024-11-09 04:45:55,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:45:55,046 INFO L85 PathProgramCache]: Analyzing trace with hash -92517327, now seen corresponding path program 1 times [2024-11-09 04:45:55,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:45:55,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706157704] [2024-11-09 04:45:55,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:45:55,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2024-11-09 04:46:03,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:03,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706157704] [2024-11-09 04:46:03,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706157704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:03,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:03,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:46:03,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752454363] [2024-11-09 04:46:03,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:03,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:46:03,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:03,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:46:03,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:46:03,983 INFO L87 Difference]: Start difference. First operand 22500 states and 31400 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 04:46:06,094 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 [] [2024-11-09 04:46:08,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:46:10,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:46:20,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:46:21,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:46:24,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:24,548 INFO L93 Difference]: Finished difference Result 22506 states and 31405 transitions. [2024-11-09 04:46:24,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:46:24,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 225 [2024-11-09 04:46:24,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:24,676 INFO L225 Difference]: With dead ends: 22506 [2024-11-09 04:46:24,677 INFO L226 Difference]: Without dead ends: 22504 [2024-11-09 04:46:24,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:46:24,696 INFO L432 NwaCegarLoop]: 2155 mSDtfsCounter, 2493 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2494 SdHoareTripleChecker+Valid, 6447 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:24,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2494 Valid, 6447 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1222 Invalid, 3 Unknown, 0 Unchecked, 19.7s Time] [2024-11-09 04:46:24,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22504 states. [2024-11-09 04:46:25,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22504 to 22504. [2024-11-09 04:46:25,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22504 states, 12904 states have (on average 1.2623217606943584) internal successors, (16289), 13464 states have internal predecessors, (16289), 7557 states have call successors, (7557), 2055 states have call predecessors, (7557), 2040 states have return successors, (7557), 7321 states have call predecessors, (7557), 7553 states have call successors, (7557) [2024-11-09 04:46:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22504 states to 22504 states and 31403 transitions. [2024-11-09 04:46:26,021 INFO L78 Accepts]: Start accepts. Automaton has 22504 states and 31403 transitions. Word has length 225 [2024-11-09 04:46:26,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:26,021 INFO L471 AbstractCegarLoop]: Abstraction has 22504 states and 31403 transitions. [2024-11-09 04:46:26,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 04:46:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 22504 states and 31403 transitions. [2024-11-09 04:46:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-09 04:46:26,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:26,029 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:26,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 04:46:26,029 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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)] === [2024-11-09 04:46:26,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:26,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1888529834, now seen corresponding path program 1 times [2024-11-09 04:46:26,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:26,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277802820] [2024-11-09 04:46:26,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:26,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2024-11-09 04:46:34,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:34,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277802820] [2024-11-09 04:46:34,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277802820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:34,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:34,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:46:34,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592949019] [2024-11-09 04:46:34,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:34,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:46:34,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:34,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:46:34,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:46:34,628 INFO L87 Difference]: Start difference. First operand 22504 states and 31403 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 04:46:36,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:46:38,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:46:41,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:46:52,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:52,349 INFO L93 Difference]: Finished difference Result 22510 states and 31408 transitions. [2024-11-09 04:46:52,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:46:52,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 230 [2024-11-09 04:46:52,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:52,448 INFO L225 Difference]: With dead ends: 22510 [2024-11-09 04:46:52,448 INFO L226 Difference]: Without dead ends: 22508 [2024-11-09 04:46:52,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:46:52,466 INFO L432 NwaCegarLoop]: 2155 mSDtfsCounter, 2492 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 6447 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:52,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 6447 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1222 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2024-11-09 04:46:52,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22508 states. [2024-11-09 04:46:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22508 to 22508. [2024-11-09 04:46:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22508 states, 12907 states have (on average 1.2622607887192996) internal successors, (16292), 13467 states have internal predecessors, (16292), 7557 states have call successors, (7557), 2056 states have call predecessors, (7557), 2041 states have return successors, (7557), 7321 states have call predecessors, (7557), 7553 states have call successors, (7557) [2024-11-09 04:46:53,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22508 states to 22508 states and 31406 transitions. [2024-11-09 04:46:53,844 INFO L78 Accepts]: Start accepts. Automaton has 22508 states and 31406 transitions. Word has length 230 [2024-11-09 04:46:53,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:53,845 INFO L471 AbstractCegarLoop]: Abstraction has 22508 states and 31406 transitions. [2024-11-09 04:46:53,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 04:46:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 22508 states and 31406 transitions. [2024-11-09 04:46:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-09 04:46:53,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:53,852 INFO L215 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:53,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 04:46:53,852 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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)] === [2024-11-09 04:46:53,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:53,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1000480036, now seen corresponding path program 1 times [2024-11-09 04:46:53,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:53,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393284087] [2024-11-09 04:46:53,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:53,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:47:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:47:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2024-11-09 04:47:02,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:47:02,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393284087] [2024-11-09 04:47:02,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393284087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:47:02,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:47:02,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:47:02,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835895809] [2024-11-09 04:47:02,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:47:02,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:47:02,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:47:02,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:47:02,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:47:02,533 INFO L87 Difference]: Start difference. First operand 22508 states and 31406 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-09 04:47:04,646 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 [] [2024-11-09 04:47:06,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:16,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:47:16,060 INFO L93 Difference]: Finished difference Result 64644 states and 90254 transitions. [2024-11-09 04:47:16,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:47:16,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 249 [2024-11-09 04:47:16,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:47:16,194 INFO L225 Difference]: With dead ends: 64644 [2024-11-09 04:47:16,194 INFO L226 Difference]: Without dead ends: 42165 [2024-11-09 04:47:16,262 INFO L431 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 [2024-11-09 04:47:16,263 INFO L432 NwaCegarLoop]: 2222 mSDtfsCounter, 2484 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2484 SdHoareTripleChecker+Valid, 4367 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:47:16,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2484 Valid, 4367 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 823 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2024-11-09 04:47:16,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42165 states. [2024-11-09 04:47:18,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42165 to 42092. [2024-11-09 04:47:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42092 states, 24215 states have (on average 1.2636795374767706) internal successors, (30600), 25299 states have internal predecessors, (30600), 14071 states have call successors, (14071), 3832 states have call predecessors, (14071), 3803 states have return successors, (14075), 13585 states have call predecessors, (14075), 14067 states have call successors, (14075) [2024-11-09 04:47:18,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42092 states to 42092 states and 58746 transitions. [2024-11-09 04:47:18,611 INFO L78 Accepts]: Start accepts. Automaton has 42092 states and 58746 transitions. Word has length 249 [2024-11-09 04:47:18,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:47:18,611 INFO L471 AbstractCegarLoop]: Abstraction has 42092 states and 58746 transitions. [2024-11-09 04:47:18,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-09 04:47:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 42092 states and 58746 transitions. [2024-11-09 04:47:18,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-09 04:47:18,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:47:18,617 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:47:18,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 04:47:18,617 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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)] === [2024-11-09 04:47:18,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:47:18,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1237340583, now seen corresponding path program 1 times [2024-11-09 04:47:18,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:47:18,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475352668] [2024-11-09 04:47:18,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:47:18,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:47:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:47:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 905 trivial. 0 not checked. [2024-11-09 04:47:28,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:47:28,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475352668] [2024-11-09 04:47:28,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475352668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:47:28,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:47:28,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:47:28,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139310693] [2024-11-09 04:47:28,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:47:28,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:47:28,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:47:28,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:47:28,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:47:28,277 INFO L87 Difference]: Start difference. First operand 42092 states and 58746 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 04:47:30,411 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 [] [2024-11-09 04:47:32,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:34,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:45,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:47,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:47:50,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:47:50,416 INFO L93 Difference]: Finished difference Result 42098 states and 58751 transitions. [2024-11-09 04:47:50,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:47:50,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 234 [2024-11-09 04:47:50,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:47:50,558 INFO L225 Difference]: With dead ends: 42098 [2024-11-09 04:47:50,559 INFO L226 Difference]: Without dead ends: 42096 [2024-11-09 04:47:50,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:47:50,573 INFO L432 NwaCegarLoop]: 2155 mSDtfsCounter, 2492 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 6447 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:47:50,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 6447 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1221 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2024-11-09 04:47:50,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42096 states. [2024-11-09 04:47:53,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42096 to 42096. [2024-11-09 04:47:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42096 states, 24218 states have (on average 1.2636468742257825) internal successors, (30603), 25302 states have internal predecessors, (30603), 14071 states have call successors, (14071), 3833 states have call predecessors, (14071), 3804 states have return successors, (14075), 13585 states have call predecessors, (14075), 14067 states have call successors, (14075) [2024-11-09 04:47:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42096 states to 42096 states and 58749 transitions. [2024-11-09 04:47:53,373 INFO L78 Accepts]: Start accepts. Automaton has 42096 states and 58749 transitions. Word has length 234 [2024-11-09 04:47:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:47:53,373 INFO L471 AbstractCegarLoop]: Abstraction has 42096 states and 58749 transitions. [2024-11-09 04:47:53,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-09 04:47:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 42096 states and 58749 transitions. [2024-11-09 04:47:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-09 04:47:53,379 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:47:53,379 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:47:53,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 04:47:53,379 INFO L396 AbstractCegarLoop]: === Iteration 12 === 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)] === [2024-11-09 04:47:53,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:47:53,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1918031309, now seen corresponding path program 1 times [2024-11-09 04:47:53,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:47:53,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159313897] [2024-11-09 04:47:53,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:47:53,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:48:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 872 trivial. 0 not checked. [2024-11-09 04:48:03,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:48:03,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159313897] [2024-11-09 04:48:03,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159313897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:48:03,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:48:03,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:48:03,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287982102] [2024-11-09 04:48:03,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:48:03,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:48:03,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:48:03,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:48:03,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:48:03,974 INFO L87 Difference]: Start difference. First operand 42096 states and 58749 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-09 04:48:06,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:48:08,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:48:22,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:48:22,661 INFO L93 Difference]: Finished difference Result 102386 states and 142963 transitions. [2024-11-09 04:48:22,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:48:22,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 237 [2024-11-09 04:48:22,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:48:23,151 INFO L225 Difference]: With dead ends: 102386 [2024-11-09 04:48:23,151 INFO L226 Difference]: Without dead ends: 60474 [2024-11-09 04:48:23,266 INFO L431 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 [2024-11-09 04:48:23,267 INFO L432 NwaCegarLoop]: 2655 mSDtfsCounter, 2136 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 4764 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2024-11-09 04:48:23,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 4764 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 993 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2024-11-09 04:48:23,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60474 states. [2024-11-09 04:48:26,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60474 to 60399. [2024-11-09 04:48:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60399 states, 34807 states have (on average 1.2627345074266672) internal successors, (43952), 36365 states have internal predecessors, (43952), 20077 states have call successors, (20077), 5561 states have call predecessors, (20077), 5512 states have return successors, (20085), 19354 states have call predecessors, (20085), 20073 states have call successors, (20085) [2024-11-09 04:48:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60399 states to 60399 states and 84114 transitions. [2024-11-09 04:48:27,324 INFO L78 Accepts]: Start accepts. Automaton has 60399 states and 84114 transitions. Word has length 237 [2024-11-09 04:48:27,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:48:27,325 INFO L471 AbstractCegarLoop]: Abstraction has 60399 states and 84114 transitions. [2024-11-09 04:48:27,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-09 04:48:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 60399 states and 84114 transitions. [2024-11-09 04:48:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-09 04:48:27,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:48:27,332 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:48:27,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 04:48:27,332 INFO L396 AbstractCegarLoop]: === Iteration 13 === 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)] === [2024-11-09 04:48:27,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:48:27,333 INFO L85 PathProgramCache]: Analyzing trace with hash 29941194, now seen corresponding path program 1 times [2024-11-09 04:48:27,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:48:27,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133956170] [2024-11-09 04:48:27,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:48:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:48:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:48:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-11-09 04:48:37,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:48:37,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133956170] [2024-11-09 04:48:37,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133956170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:48:37,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:48:37,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:48:37,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492692670] [2024-11-09 04:48:37,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:48:37,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:48:37,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:48:37,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:48:37,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:48:37,572 INFO L87 Difference]: Start difference. First operand 60399 states and 84114 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-09 04:48:39,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:48:41,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:48:44,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:49:00,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:49:00,520 INFO L93 Difference]: Finished difference Result 60405 states and 84119 transitions. [2024-11-09 04:49:00,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:49:00,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 240 [2024-11-09 04:49:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:49:00,806 INFO L225 Difference]: With dead ends: 60405 [2024-11-09 04:49:00,806 INFO L226 Difference]: Without dead ends: 60403 [2024-11-09 04:49:00,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:49:00,835 INFO L432 NwaCegarLoop]: 2155 mSDtfsCounter, 2490 mSDsluCounter, 4292 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2491 SdHoareTripleChecker+Valid, 6447 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2024-11-09 04:49:00,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2491 Valid, 6447 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1222 Invalid, 3 Unknown, 0 Unchecked, 19.0s Time] [2024-11-09 04:49:00,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60403 states. [2024-11-09 04:49:05,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60403 to 60403. [2024-11-09 04:49:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60403 states, 34810 states have (on average 1.2627118644067796) internal successors, (43955), 36368 states have internal predecessors, (43955), 20077 states have call successors, (20077), 5562 states have call predecessors, (20077), 5513 states have return successors, (20085), 19354 states have call predecessors, (20085), 20073 states have call successors, (20085) [2024-11-09 04:49:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60403 states to 60403 states and 84117 transitions. [2024-11-09 04:49:05,962 INFO L78 Accepts]: Start accepts. Automaton has 60403 states and 84117 transitions. Word has length 240 [2024-11-09 04:49:05,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:49:05,963 INFO L471 AbstractCegarLoop]: Abstraction has 60403 states and 84117 transitions. [2024-11-09 04:49:05,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-09 04:49:05,964 INFO L276 IsEmpty]: Start isEmpty. Operand 60403 states and 84117 transitions. [2024-11-09 04:49:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-09 04:49:05,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:49:05,971 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 7, 6, 6, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:49:05,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 04:49:05,971 INFO L396 AbstractCegarLoop]: === Iteration 14 === 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)] === [2024-11-09 04:49:05,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:49:05,972 INFO L85 PathProgramCache]: Analyzing trace with hash -695421154, now seen corresponding path program 1 times [2024-11-09 04:49:05,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:49:05,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779182008] [2024-11-09 04:49:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:05,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:49:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:49:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2024-11-09 04:49:17,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:49:17,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779182008] [2024-11-09 04:49:17,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779182008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:49:17,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:49:17,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:49:17,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96470186] [2024-11-09 04:49:17,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:49:17,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:49:17,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:49:17,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:49:17,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:49:17,327 INFO L87 Difference]: Start difference. First operand 60403 states and 84117 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 04:49:19,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:49:21,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:49:23,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:49:38,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:49:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:49:43,820 INFO L93 Difference]: Finished difference Result 70621 states and 97593 transitions. [2024-11-09 04:49:43,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 04:49:43,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 246 [2024-11-09 04:49:43,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:49:44,212 INFO L225 Difference]: With dead ends: 70621 [2024-11-09 04:49:44,212 INFO L226 Difference]: Without dead ends: 70619 [2024-11-09 04:49:44,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 04:49:44,241 INFO L432 NwaCegarLoop]: 2258 mSDtfsCounter, 2346 mSDsluCounter, 4959 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 7217 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:49:44,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 7217 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1333 Invalid, 3 Unknown, 0 Unchecked, 21.5s Time] [2024-11-09 04:49:44,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70619 states. [2024-11-09 04:49:49,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70619 to 70617. [2024-11-09 04:49:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70617 states, 40195 states have (on average 1.2547829332006468) internal successors, (50436), 42001 states have internal predecessors, (50436), 23573 states have call successors, (23573), 6895 states have call predecessors, (23573), 6846 states have return successors, (23581), 22762 states have call predecessors, (23581), 23569 states have call successors, (23581) [2024-11-09 04:49:50,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70617 states to 70617 states and 97590 transitions. [2024-11-09 04:49:50,423 INFO L78 Accepts]: Start accepts. Automaton has 70617 states and 97590 transitions. Word has length 246 [2024-11-09 04:49:50,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:49:50,424 INFO L471 AbstractCegarLoop]: Abstraction has 70617 states and 97590 transitions. [2024-11-09 04:49:50,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-09 04:49:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 70617 states and 97590 transitions. [2024-11-09 04:49:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-09 04:49:50,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:49:50,433 INFO L215 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 8, 7, 7, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:49:50,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 04:49:50,433 INFO L396 AbstractCegarLoop]: === Iteration 15 === 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)] === [2024-11-09 04:49:50,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:49:50,434 INFO L85 PathProgramCache]: Analyzing trace with hash 353594845, now seen corresponding path program 1 times [2024-11-09 04:49:50,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:49:50,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237303105] [2024-11-09 04:49:50,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:49:50,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms