./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:01:05,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:01:06,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:01:06,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:01:06,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:01:06,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:01:06,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:01:06,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:01:06,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:01:06,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:01:06,109 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:01:06,111 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:01:06,111 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:01:06,113 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:01:06,114 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:01:06,114 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:01:06,115 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:01:06,115 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:01:06,116 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:01:06,116 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:01:06,118 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:01:06,119 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:01:06,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:01:06,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:01:06,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:01:06,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:01:06,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:01:06,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:01:06,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:01:06,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:01:06,125 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:01:06,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:01:06,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:01:06,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:01:06,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:06,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:01:06,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:01:06,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:01:06,127 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:01:06,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:01:06,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:01:06,128 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:01:06,129 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:01:06,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:01:06,130 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_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eabf9223369a4133b2add72c0b71a01ceb617c9bc4081cd5107bb51f78aed61 [2023-11-25 00:01:06,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:01:06,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:01:06,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:01:06,451 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:01:06,451 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:01:06,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-25 00:01:09,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:01:10,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:01:10,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-25 00:01:10,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/data/fa4ef2a60/a7a915aeebda4723973f5cac67a16c8b/FLAG33567226c [2023-11-25 00:01:10,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/data/fa4ef2a60/a7a915aeebda4723973f5cac67a16c8b [2023-11-25 00:01:10,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:01:10,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:01:10,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:10,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:01:10,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:01:10,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:10" (1/1) ... [2023-11-25 00:01:10,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f113d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:10, skipping insertion in model container [2023-11-25 00:01:10,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:01:10" (1/1) ... [2023-11-25 00:01:10,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:01:14,598 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2023-11-25 00:01:14,603 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2023-11-25 00:01:14,604 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2023-11-25 00:01:14,605 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2023-11-25 00:01:14,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:14,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:01:14,858 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"); [5228] [2023-11-25 00:01:14,860 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)); [5235] [2023-11-25 00:01:14,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5242] [2023-11-25 00:01:14,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5441] [2023-11-25 00:01:14,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5449] [2023-11-25 00:01:14,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5456] [2023-11-25 00:01:14,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5463] [2023-11-25 00:01:14,875 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)); [5648-5649] [2023-11-25 00:01:14,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5655] [2023-11-25 00:01:14,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (164), "i" (12UL)); [6075-6076] [2023-11-25 00:01:14,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (180), "i" (12UL)); [6104-6105] [2023-11-25 00:01:14,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (210), "i" (12UL)); [6144-6145] [2023-11-25 00:01:14,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (229), "i" (12UL)); [6171-6172] [2023-11-25 00:01:14,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (269), "i" (12UL)); [6248-6249] [2023-11-25 00:01:14,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (303), "i" (12UL)); [6318-6319] [2023-11-25 00:01:14,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (335), "i" (12UL)); [6389-6390] [2023-11-25 00:01:14,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (369), "i" (12UL)); [6460-6461] [2023-11-25 00:01:14,967 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (811), "i" (12UL)); [7126-7127] [2023-11-25 00:01:14,968 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (812), "i" (12UL)); [7138-7139] [2023-11-25 00:01:15,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8235] [2023-11-25 00:01:15,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [8536] [2023-11-25 00:01:15,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2273), "i" (12UL)); [9304-9305] [2023-11-25 00:01:15,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2275), "i" (12UL)); [9318-9319] [2023-11-25 00:01:15,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2276), "i" (12UL)); [9330-9331] [2023-11-25 00:01:15,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/net/ethernet/smsc/smsc911x.c"), "i" (2277), "i" (12UL)); [9342-9343] [2023-11-25 00:01:15,292 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392538,392551] [2023-11-25 00:01:15,293 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392707,392720] [2023-11-25 00:01:15,294 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[392874,392887] [2023-11-25 00:01:15,295 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i[393042,393055] [2023-11-25 00:01:15,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:01:15,691 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:01:15,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15 WrapperNode [2023-11-25 00:01:15,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:01:15,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:15,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:01:15,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:01:15,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:15,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,177 INFO L138 Inliner]: procedures = 549, calls = 2157, calls flagged for inlining = 287, calls inlined = 262, statements flattened = 7312 [2023-11-25 00:01:16,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:01:16,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:01:16,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:01:16,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:01:16,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,222 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:01:16,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:01:16,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:01:16,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:01:16,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (1/1) ... [2023-11-25 00:01:16,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:01:16,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:01:16,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:01:16,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d9b1bb-f7c3-4ca6-932b-17e6fbc5cce9/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:01:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:01:16,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:01:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_94 [2023-11-25 00:01:16,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_94 [2023-11-25 00:01:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:01:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:01:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-25 00:01:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-25 00:01:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_76 [2023-11-25 00:01:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_76 [2023-11-25 00:01:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:01:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:01:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-25 00:01:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-25 00:01:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-25 00:01:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-25 00:01:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_read [2023-11-25 00:01:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_read [2023-11-25 00:01:16,760 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_resume [2023-11-25 00:01:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_resume [2023-11-25 00:01:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-25 00:01:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-25 00:01:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-25 00:01:16,761 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-25 00:01:16,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2023-11-25 00:01:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mac_lock_of_smsc911x_data [2023-11-25 00:01:16,762 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_probe [2023-11-25 00:01:16,762 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_probe [2023-11-25 00:01:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2023-11-25 00:01:16,763 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2023-11-25 00:01:16,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:01:16,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:01:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-25 00:01:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-25 00:01:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-25 00:01:16,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-25 00:01:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:01:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:01:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:01:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:01:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-25 00:01:16,766 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-25 00:01:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_multicast_list [2023-11-25 00:01:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_multicast_list [2023-11-25 00:01:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_set_hw_mac_address [2023-11-25 00:01:16,768 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_set_hw_mac_address [2023-11-25 00:01:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-25 00:01:16,769 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-25 00:01:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2023-11-25 00:01:16,769 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2023-11-25 00:01:16,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:01:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-25 00:01:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-25 00:01:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_drv_remove [2023-11-25 00:01:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_drv_remove [2023-11-25 00:01:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_multicast_update [2023-11-25 00:01:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_multicast_update [2023-11-25 00:01:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-25 00:01:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-25 00:01:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-25 00:01:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-25 00:01:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2023-11-25 00:01:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mac_lock_of_smsc911x_data [2023-11-25 00:01:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2023-11-25 00:01:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2023-11-25 00:01:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:01:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-25 00:01:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-25 00:01:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-25 00:01:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-25 00:01:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo [2023-11-25 00:01:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo [2023-11-25 00:01:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:01:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:01:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:01:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_irqhandler [2023-11-25 00:01:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_irqhandler [2023-11-25 00:01:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:01:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:01:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:01:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-25 00:01:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-25 00:01:16,777 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_resources [2023-11-25 00:01:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_resources [2023-11-25 00:01:16,778 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_get_rxstatus [2023-11-25 00:01:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_get_rxstatus [2023-11-25 00:01:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read [2023-11-25 00:01:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read [2023-11-25 00:01:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:01:16,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:01:16,779 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_getregslen [2023-11-25 00:01:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_getregslen [2023-11-25 00:01:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:01:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-25 00:01:16,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-25 00:01:16,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:01:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:01:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-25 00:01:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-25 00:01:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2023-11-25 00:01:16,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2023-11-25 00:01:16,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:01:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-25 00:01:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-25 00:01:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:01:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:01:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-25 00:01:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-25 00:01:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:01:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:01:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-25 00:01:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:01:16,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:01:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mii_write [2023-11-25 00:01:16,786 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mii_write [2023-11-25 00:01:16,786 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_complete [2023-11-25 00:01:16,787 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_complete [2023-11-25 00:01:16,790 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2023-11-25 00:01:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2023-11-25 00:01:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-25 00:01:16,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-25 00:01:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-25 00:01:16,792 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-25 00:01:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-25 00:01:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-25 00:01:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2023-11-25 00:01:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32_rep [2023-11-25 00:01:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-25 00:01:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-25 00:01:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource_byname [2023-11-25 00:01:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource_byname [2023-11-25 00:01:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-25 00:01:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-25 00:01:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:01:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:01:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-25 00:01:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-25 00:01:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:01:16,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:01:16,802 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-25 00:01:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-25 00:01:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-25 00:01:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-25 00:01:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_get_txstatus [2023-11-25 00:01:16,803 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_get_txstatus [2023-11-25 00:01:16,803 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-25 00:01:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-25 00:01:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2023-11-25 00:01:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_mac_lock_of_smsc911x_data [2023-11-25 00:01:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-25 00:01:16,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-25 00:01:16,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:01:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:01:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:01:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:01:16,805 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo [2023-11-25 00:01:16,805 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo [2023-11-25 00:01:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_open [2023-11-25 00:01:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_open [2023-11-25 00:01:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2023-11-25 00:01:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2023-11-25 00:01:16,806 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_get_eeprom_len [2023-11-25 00:01:16,806 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_get_eeprom_len [2023-11-25 00:01:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:01:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:01:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2023-11-25 00:01:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_smsc911x_data [2023-11-25 00:01:16,807 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_rx_readfifo_shift [2023-11-25 00:01:16,807 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_rx_readfifo_shift [2023-11-25 00:01:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_suspend [2023-11-25 00:01:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_suspend [2023-11-25 00:01:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_read_mac_address [2023-11-25 00:01:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_read_mac_address [2023-11-25 00:01:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_93 [2023-11-25 00:01:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_93 [2023-11-25 00:01:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_write [2023-11-25 00:01:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_write [2023-11-25 00:01:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-25 00:01:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-25 00:01:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:01:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:01:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-25 00:01:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-25 00:01:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-25 00:01:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-25 00:01:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write [2023-11-25 00:01:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write [2023-11-25 00:01:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:01:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-25 00:01:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-25 00:01:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:01:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_write [2023-11-25 00:01:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_write [2023-11-25 00:01:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_ethtool_nwayreset [2023-11-25 00:01:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_ethtool_nwayreset [2023-11-25 00:01:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_free_resources [2023-11-25 00:01:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_free_resources [2023-11-25 00:01:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_disable_irq_chip [2023-11-25 00:01:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_disable_irq_chip [2023-11-25 00:01:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:01:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-25 00:01:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-25 00:01:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-25 00:01:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-25 00:01:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_send_cmd [2023-11-25 00:01:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_send_cmd [2023-11-25 00:01:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:01:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:01:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_adjust_link [2023-11-25 00:01:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_adjust_link [2023-11-25 00:01:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_reg_read [2023-11-25 00:01:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_reg_read [2023-11-25 00:01:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:01:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:01:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-25 00:01:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-25 00:01:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_update_txcounters [2023-11-25 00:01:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_update_txcounters [2023-11-25 00:01:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_read_shift [2023-11-25 00:01:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_read_shift [2023-11-25 00:01:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-25 00:01:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-25 00:01:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc911x_reg_write_shift [2023-11-25 00:01:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc911x_reg_write_shift [2023-11-25 00:01:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-25 00:01:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-25 00:01:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-25 00:01:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-25 00:01:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-25 00:01:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-25 00:01:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-25 00:01:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-25 00:01:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_phy_enable_external [2023-11-25 00:01:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_phy_enable_external [2023-11-25 00:01:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:01:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_mac_read [2023-11-25 00:01:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_mac_read [2023-11-25 00:01:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:01:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:01:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-25 00:01:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-25 00:01:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2023-11-25 00:01:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_smsc911x_cleanup_module_14_2 [2023-11-25 00:01:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_soft_reset [2023-11-25 00:01:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_soft_reset [2023-11-25 00:01:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_eeprom_enable_access [2023-11-25 00:01:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_eeprom_enable_access [2023-11-25 00:01:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-25 00:01:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-25 00:01:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_is_locked [2023-11-25 00:01:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_is_locked [2023-11-25 00:01:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_stop [2023-11-25 00:01:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_stop [2023-11-25 00:01:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:01:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:01:16,828 INFO L130 BoogieDeclarations]: Found specification of procedure smsc911x_tx_writefifo_shift [2023-11-25 00:01:16,828 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc911x_tx_writefifo_shift [2023-11-25 00:01:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-25 00:01:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-25 00:01:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-25 00:01:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-25 00:01:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:01:16,829 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2023-11-25 00:01:16,829 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2023-11-25 00:01:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:01:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:01:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-25 00:01:16,830 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-25 00:01:17,902 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:01:17,970 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:01:18,539 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:01:23,282 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:01:23,472 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:01:26,926 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:01:26,927 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-25 00:01:26,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:26 BoogieIcfgContainer [2023-11-25 00:01:26,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:01:26,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:01:26,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:01:26,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:01:26,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:01:10" (1/3) ... [2023-11-25 00:01:26,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53181b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:26, skipping insertion in model container [2023-11-25 00:01:26,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:01:15" (2/3) ... [2023-11-25 00:01:26,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53181b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:01:26, skipping insertion in model container [2023-11-25 00:01:26,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:01:26" (3/3) ... [2023-11-25 00:01:26,939 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-smsc911x.cil.i [2023-11-25 00:01:26,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:01:26,961 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-25 00:01:27,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:01:27,067 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54165f81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:01:27,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-25 00:01:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 2203 states, 1294 states have (on average 1.30370942812983) internal successors, (1687), 1325 states have internal predecessors, (1687), 783 states have call successors, (783), 126 states have call predecessors, (783), 125 states have return successors, (774), 765 states have call predecessors, (774), 774 states have call successors, (774) [2023-11-25 00:01:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-25 00:01:27,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:27,115 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:27,116 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-25 00:01:27,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:27,122 INFO L85 PathProgramCache]: Analyzing trace with hash 42255888, now seen corresponding path program 1 times [2023-11-25 00:01:27,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:27,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234656080] [2023-11-25 00:01:27,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:27,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-25 00:01:28,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:28,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234656080] [2023-11-25 00:01:28,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234656080] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:28,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:28,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:01:28,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071824466] [2023-11-25 00:01:28,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:28,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:28,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:28,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:28,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:28,254 INFO L87 Difference]: Start difference. First operand has 2203 states, 1294 states have (on average 1.30370942812983) internal successors, (1687), 1325 states have internal predecessors, (1687), 783 states have call successors, (783), 126 states have call predecessors, (783), 125 states have return successors, (774), 765 states have call predecessors, (774), 774 states have call successors, (774) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-25 00:01:30,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:30,783 INFO L93 Difference]: Finished difference Result 6463 states and 10157 transitions. [2023-11-25 00:01:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:01:30,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2023-11-25 00:01:30,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:30,853 INFO L225 Difference]: With dead ends: 6463 [2023-11-25 00:01:30,853 INFO L226 Difference]: Without dead ends: 4281 [2023-11-25 00:01:30,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:30,893 INFO L413 NwaCegarLoop]: 3024 mSDtfsCounter, 3157 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 5760 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:30,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 5760 Invalid, 909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-25 00:01:30,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2023-11-25 00:01:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 4253. [2023-11-25 00:01:31,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4253 states, 2509 states have (on average 1.2953367875647668) internal successors, (3250), 2577 states have internal predecessors, (3250), 1496 states have call successors, (1496), 248 states have call predecessors, (1496), 245 states have return successors, (1536), 1465 states have call predecessors, (1536), 1492 states have call successors, (1536) [2023-11-25 00:01:31,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 4253 states and 6282 transitions. [2023-11-25 00:01:31,380 INFO L78 Accepts]: Start accepts. Automaton has 4253 states and 6282 transitions. Word has length 213 [2023-11-25 00:01:31,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:31,386 INFO L495 AbstractCegarLoop]: Abstraction has 4253 states and 6282 transitions. [2023-11-25 00:01:31,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-25 00:01:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 6282 transitions. [2023-11-25 00:01:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-25 00:01:31,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:31,402 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:31,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:01:31,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-25 00:01:31,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash -965972519, now seen corresponding path program 1 times [2023-11-25 00:01:31,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:31,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143985646] [2023-11-25 00:01:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:31,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:31,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-25 00:01:31,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:31,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143985646] [2023-11-25 00:01:31,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143985646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:31,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:31,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:01:31,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895233755] [2023-11-25 00:01:31,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:31,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:31,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:31,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:31,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:31,971 INFO L87 Difference]: Start difference. First operand 4253 states and 6282 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-25 00:01:34,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:34,448 INFO L93 Difference]: Finished difference Result 12593 states and 18597 transitions. [2023-11-25 00:01:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:01:34,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 211 [2023-11-25 00:01:34,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:34,545 INFO L225 Difference]: With dead ends: 12593 [2023-11-25 00:01:34,545 INFO L226 Difference]: Without dead ends: 8379 [2023-11-25 00:01:34,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:34,590 INFO L413 NwaCegarLoop]: 2765 mSDtfsCounter, 3057 mSDsluCounter, 2723 mSDsCounter, 0 mSdLazyCounter, 886 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 5488 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:34,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3057 Valid, 5488 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 886 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-25 00:01:34,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8379 states. [2023-11-25 00:01:35,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8379 to 8375. [2023-11-25 00:01:35,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8375 states, 4962 states have (on average 1.2952438532849657) internal successors, (6427), 5090 states have internal predecessors, (6427), 2923 states have call successors, (2923), 492 states have call predecessors, (2923), 487 states have return successors, (3007), 2868 states have call predecessors, (3007), 2919 states have call successors, (3007) [2023-11-25 00:01:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8375 states to 8375 states and 12357 transitions. [2023-11-25 00:01:35,593 INFO L78 Accepts]: Start accepts. Automaton has 8375 states and 12357 transitions. Word has length 211 [2023-11-25 00:01:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:35,595 INFO L495 AbstractCegarLoop]: Abstraction has 8375 states and 12357 transitions. [2023-11-25 00:01:35,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-25 00:01:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 8375 states and 12357 transitions. [2023-11-25 00:01:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-25 00:01:35,602 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:35,602 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:35,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:01:35,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-25 00:01:35,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:35,603 INFO L85 PathProgramCache]: Analyzing trace with hash 665705111, now seen corresponding path program 1 times [2023-11-25 00:01:35,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:35,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222211629] [2023-11-25 00:01:35,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:35,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-25 00:01:36,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:36,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222211629] [2023-11-25 00:01:36,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222211629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:36,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:36,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:01:36,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115743083] [2023-11-25 00:01:36,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:36,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:36,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:36,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:36,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:36,047 INFO L87 Difference]: Start difference. First operand 8375 states and 12357 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, (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) [2023-11-25 00:01:39,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:39,046 INFO L93 Difference]: Finished difference Result 24175 states and 35567 transitions. [2023-11-25 00:01:39,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:01:39,047 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, (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 220 [2023-11-25 00:01:39,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:39,210 INFO L225 Difference]: With dead ends: 24175 [2023-11-25 00:01:39,210 INFO L226 Difference]: Without dead ends: 15839 [2023-11-25 00:01:39,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:39,272 INFO L413 NwaCegarLoop]: 3502 mSDtfsCounter, 2829 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 6201 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:39,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 6201 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-25 00:01:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15839 states. [2023-11-25 00:01:40,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15839 to 15805. [2023-11-25 00:01:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15805 states, 9318 states have (on average 1.2834299205838162) internal successors, (11959), 9564 states have internal predecessors, (11959), 5533 states have call successors, (5533), 960 states have call predecessors, (5533), 951 states have return successors, (5621), 5426 states have call predecessors, (5621), 5529 states have call successors, (5621) [2023-11-25 00:01:40,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15805 states to 15805 states and 23113 transitions. [2023-11-25 00:01:40,723 INFO L78 Accepts]: Start accepts. Automaton has 15805 states and 23113 transitions. Word has length 220 [2023-11-25 00:01:40,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:40,725 INFO L495 AbstractCegarLoop]: Abstraction has 15805 states and 23113 transitions. [2023-11-25 00:01:40,726 INFO L496 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, (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) [2023-11-25 00:01:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 15805 states and 23113 transitions. [2023-11-25 00:01:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-25 00:01:40,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:40,732 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:01:40,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:01:40,732 INFO L420 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)] === [2023-11-25 00:01:40,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:40,734 INFO L85 PathProgramCache]: Analyzing trace with hash 446477159, now seen corresponding path program 1 times [2023-11-25 00:01:40,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:40,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227581689] [2023-11-25 00:01:40,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2023-11-25 00:01:41,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:41,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227581689] [2023-11-25 00:01:41,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227581689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:41,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:41,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:01:41,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960540149] [2023-11-25 00:01:41,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:41,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:41,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:41,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:41,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:41,069 INFO L87 Difference]: Start difference. First operand 15805 states and 23113 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-25 00:01:44,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:01:44,821 INFO L93 Difference]: Finished difference Result 44869 states and 65679 transitions. [2023-11-25 00:01:44,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:01:44,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 219 [2023-11-25 00:01:44,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:01:45,033 INFO L225 Difference]: With dead ends: 44869 [2023-11-25 00:01:45,034 INFO L226 Difference]: Without dead ends: 29103 [2023-11-25 00:01:45,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:45,124 INFO L413 NwaCegarLoop]: 2925 mSDtfsCounter, 2761 mSDsluCounter, 2674 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 5599 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:01:45,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 5599 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-25 00:01:45,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29103 states. [2023-11-25 00:01:47,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29103 to 29061. [2023-11-25 00:01:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29061 states, 17096 states have (on average 1.2741576977070659) internal successors, (21783), 17568 states have internal predecessors, (21783), 10147 states have call successors, (10147), 1844 states have call predecessors, (10147), 1815 states have return successors, (10603), 9904 states have call predecessors, (10603), 10143 states have call successors, (10603) [2023-11-25 00:01:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29061 states to 29061 states and 42533 transitions. [2023-11-25 00:01:47,910 INFO L78 Accepts]: Start accepts. Automaton has 29061 states and 42533 transitions. Word has length 219 [2023-11-25 00:01:47,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:01:47,915 INFO L495 AbstractCegarLoop]: Abstraction has 29061 states and 42533 transitions. [2023-11-25 00:01:47,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-25 00:01:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29061 states and 42533 transitions. [2023-11-25 00:01:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-11-25 00:01:47,920 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:01:47,921 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 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] [2023-11-25 00:01:47,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-25 00:01:47,921 INFO L420 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)] === [2023-11-25 00:01:47,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:01:47,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2130106783, now seen corresponding path program 1 times [2023-11-25 00:01:47,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:01:47,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400832160] [2023-11-25 00:01:47,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:01:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:01:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:01:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1409 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1409 trivial. 0 not checked. [2023-11-25 00:01:48,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:01:48,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400832160] [2023-11-25 00:01:48,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400832160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:01:48,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:01:48,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:01:48,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745196235] [2023-11-25 00:01:48,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:01:48,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:01:48,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:01:48,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:01:48,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:01:48,211 INFO L87 Difference]: Start difference. First operand 29061 states and 42533 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25)