./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-qlogic-qla3xxx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5 --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 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:52:44,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:52:44,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-21 19:52:44,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:52:44,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:52:44,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:52:44,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:52:44,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:52:44,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:52:44,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:52:44,806 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:52:44,806 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:52:44,807 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:52:44,807 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:52:44,808 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:52:44,808 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:52:44,809 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:52:44,810 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:52:44,810 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:52:44,811 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:52:44,811 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:52:44,812 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:52:44,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:52:44,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:52:44,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:52:44,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:52:44,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:52:44,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:52:44,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:52:44,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:52:44,817 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:52:44,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:52:44,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:52:44,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:52:44,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:52:44,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:52:44,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:52:44,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:52:44,820 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:52:44,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:52:44,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:52:44,821 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:52:44,822 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:52:44,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:52:44,822 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2023-11-21 19:52:45,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:52:45,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:52:45,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:52:45,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:52:45,153 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:52:45,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-21 19:52:48,478 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:52:49,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:52:49,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-21 19:52:49,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/data/460b4c529/6a888bdbefb3407891048d76c04ed94f/FLAGe9d1adfdc [2023-11-21 19:52:49,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/data/460b4c529/6a888bdbefb3407891048d76c04ed94f [2023-11-21 19:52:49,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:52:49,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:52:49,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:52:49,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:52:49,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:52:49,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:52:49" (1/1) ... [2023-11-21 19:52:49,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603d5b02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:49, skipping insertion in model container [2023-11-21 19:52:49,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:52:49" (1/1) ... [2023-11-21 19:52:49,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:52:54,366 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2023-11-21 19:52:54,371 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2023-11-21 19:52:54,372 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2023-11-21 19:52:54,373 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2023-11-21 19:52:54,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:52:54,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:52:54,734 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"); [5595] [2023-11-21 19:52:54,737 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)); [5602] [2023-11-21 19:52:54,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5609] [2023-11-21 19:52:54,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5648-5649] [2023-11-21 19:52:54,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5654-5656] [2023-11-21 19:52:54,742 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; incl %0": "+m" (v->counter)); [5683] [2023-11-21 19:52:54,742 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; decl %0": "+m" (v->counter)); [5690] [2023-11-21 19:52:54,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5850] [2023-11-21 19:52:54,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5857] [2023-11-21 19:52:54,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5988-5989] [2023-11-21 19:52:54,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6022-6023] [2023-11-21 19:52:54,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6063-6064] [2023-11-21 19:52:54,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6092-6093] [2023-11-21 19:52:54,780 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)); [6445-6446] [2023-11-21 19:52:54,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6452] [2023-11-21 19:52:54,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9125] [2023-11-21 19:52:54,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9187] [2023-11-21 19:52:54,918 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9315] [2023-11-21 19:52:54,921 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb2->data) [9372] [2023-11-21 19:52:54,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2023-11-21 19:52:54,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9863] [2023-11-21 19:52:54,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9870] [2023-11-21 19:52:54,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9894] [2023-11-21 19:52:55,175 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2023-11-21 19:52:55,176 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2023-11-21 19:52:55,177 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2023-11-21 19:52:55,178 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_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2023-11-21 19:52:55,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:52:55,512 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:52:55,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55 WrapperNode [2023-11-21 19:52:55,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:52:55,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:52:55,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:52:55,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:52:55,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:55,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,012 INFO L138 Inliner]: procedures = 572, calls = 3092, calls flagged for inlining = 288, calls inlined = 256, statements flattened = 7871 [2023-11-21 19:52:56,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:52:56,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:52:56,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:52:56,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:52:56,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:52:56,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:52:56,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:52:56,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:52:56,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (1/1) ... [2023-11-21 19:52:56,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:52:56,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:52:56,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:52:56,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf2ad24d-dc44-4652-a8ed-c2358dd5bbcb/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:52:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2023-11-21 19:52:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2023-11-21 19:52:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-21 19:52:56,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-21 19:52:56,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 19:52:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 19:52:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 19:52:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 19:52:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 19:52:56,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 19:52:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-21 19:52:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-21 19:52:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2023-11-21 19:52:56,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2023-11-21 19:52:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 19:52:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 19:52:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 19:52:56,633 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 19:52:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-21 19:52:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-21 19:52:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 19:52:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-21 19:52:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2023-11-21 19:52:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2023-11-21 19:52:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2023-11-21 19:52:56,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2023-11-21 19:52:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 19:52:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 19:52:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 19:52:56,636 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 19:52:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-21 19:52:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-21 19:52:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2023-11-21 19:52:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2023-11-21 19:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2023-11-21 19:52:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2023-11-21 19:52:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 19:52:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 19:52:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 19:52:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 19:52:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 19:52:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 19:52:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-11-21 19:52:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-11-21 19:52:56,641 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2023-11-21 19:52:56,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2023-11-21 19:52:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 19:52:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 19:52:56,642 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2023-11-21 19:52:56,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2023-11-21 19:52:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 19:52:56,643 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 19:52:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 19:52:56,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 19:52:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2023-11-21 19:52:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2023-11-21 19:52:56,644 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 19:52:56,645 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 19:52:56,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 19:52:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 19:52:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 19:52:56,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 19:52:56,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:52:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 19:52:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 19:52:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2023-11-21 19:52:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2023-11-21 19:52:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2023-11-21 19:52:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2023-11-21 19:52:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 19:52:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 19:52:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-21 19:52:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-21 19:52:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-21 19:52:56,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-21 19:52:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 19:52:56,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 19:52:56,649 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 19:52:56,650 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 19:52:56,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 19:52:56,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 19:52:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 19:52:56,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 19:52:56,651 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2023-11-21 19:52:56,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2023-11-21 19:52:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:52:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 19:52:56,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 19:52:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 19:52:56,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 19:52:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 19:52:56,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 19:52:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 19:52:56,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 19:52:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 19:52:56,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 19:52:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2023-11-21 19:52:56,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2023-11-21 19:52:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-21 19:52:56,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-21 19:52:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-21 19:52:56,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-21 19:52:56,656 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2023-11-21 19:52:56,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2023-11-21 19:52:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 19:52:56,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 19:52:56,657 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2023-11-21 19:52:56,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2023-11-21 19:52:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2023-11-21 19:52:56,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2023-11-21 19:52:56,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 19:52:56,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-21 19:52:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2023-11-21 19:52:56,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2023-11-21 19:52:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:52:56,660 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2023-11-21 19:52:56,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2023-11-21 19:52:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 19:52:56,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 19:52:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 19:52:56,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 19:52:56,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-21 19:52:56,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-21 19:52:56,667 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2023-11-21 19:52:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2023-11-21 19:52:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2023-11-21 19:52:56,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2023-11-21 19:52:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:52:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2023-11-21 19:52:56,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2023-11-21 19:52:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 19:52:56,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 19:52:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 19:52:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 19:52:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:52:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2023-11-21 19:52:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2023-11-21 19:52:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 19:52:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 19:52:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2023-11-21 19:52:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2023-11-21 19:52:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-21 19:52:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-21 19:52:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-21 19:52:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-21 19:52:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 19:52:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 19:52:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2023-11-21 19:52:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2023-11-21 19:52:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 19:52:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 19:52:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-21 19:52:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-21 19:52:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-21 19:52:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-21 19:52:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 19:52:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 19:52:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2023-11-21 19:52:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2023-11-21 19:52:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 19:52:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 19:52:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-21 19:52:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-21 19:52:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2023-11-21 19:52:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2023-11-21 19:52:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-21 19:52:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-21 19:52:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 19:52:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 19:52:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 19:52:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 19:52:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:52:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:52:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2023-11-21 19:52:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2023-11-21 19:52:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-21 19:52:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-21 19:52:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2023-11-21 19:52:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2023-11-21 19:52:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 19:52:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 19:52:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 19:52:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 19:52:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 19:52:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-21 19:52:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 19:52:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-21 19:52:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 19:52:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 19:52:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2023-11-21 19:52:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2023-11-21 19:52:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-21 19:52:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-21 19:52:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-21 19:52:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-21 19:52:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 19:52:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 19:52:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2023-11-21 19:52:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2023-11-21 19:52:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 19:52:56,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 19:52:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2023-11-21 19:52:56,688 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2023-11-21 19:52:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 19:52:56,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 19:52:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2023-11-21 19:52:56,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2023-11-21 19:52:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 19:52:56,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 19:52:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-21 19:52:56,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-21 19:52:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-21 19:52:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-21 19:52:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2023-11-21 19:52:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2023-11-21 19:52:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 19:52:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 19:52:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-21 19:52:56,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-21 19:52:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:52:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 19:52:56,691 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 19:52:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:52:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 19:52:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 19:52:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 19:52:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 19:52:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-21 19:52:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-21 19:52:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-21 19:52:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-21 19:52:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-21 19:52:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 19:52:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 19:52:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 19:52:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 19:52:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-21 19:52:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-21 19:52:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2023-11-21 19:52:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2023-11-21 19:52:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 19:52:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 19:52:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 19:52:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 19:52:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2023-11-21 19:52:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2023-11-21 19:52:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2023-11-21 19:52:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2023-11-21 19:52:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 19:52:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 19:52:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2023-11-21 19:52:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2023-11-21 19:52:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2023-11-21 19:52:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2023-11-21 19:52:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-21 19:52:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-21 19:52:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 19:52:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 19:52:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2023-11-21 19:52:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2023-11-21 19:52:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-21 19:52:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-21 19:52:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 19:52:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 19:52:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2023-11-21 19:52:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2023-11-21 19:52:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:52:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 19:52:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 19:52:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2023-11-21 19:52:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2023-11-21 19:52:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2023-11-21 19:52:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2023-11-21 19:52:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 19:52:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 19:52:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2023-11-21 19:52:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2023-11-21 19:52:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-21 19:52:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-21 19:52:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2023-11-21 19:52:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2023-11-21 19:52:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2023-11-21 19:52:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2023-11-21 19:52:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 19:52:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 19:52:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 19:52:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-21 19:52:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-21 19:52:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-21 19:52:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-21 19:52:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-21 19:52:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 19:52:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 19:52:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-21 19:52:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:52:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2023-11-21 19:52:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2023-11-21 19:52:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 19:52:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 19:52:57,740 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:52:57,746 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:52:58,171 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 19:53:04,083 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 19:53:04,341 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:53:09,015 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:53:09,015 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:53:09,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:53:09 BoogieIcfgContainer [2023-11-21 19:53:09,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:53:09,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:53:09,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:53:09,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:53:09,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:52:49" (1/3) ... [2023-11-21 19:53:09,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f1b2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:53:09, skipping insertion in model container [2023-11-21 19:53:09,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:52:55" (2/3) ... [2023-11-21 19:53:09,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f1b2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:53:09, skipping insertion in model container [2023-11-21 19:53:09,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:53:09" (3/3) ... [2023-11-21 19:53:09,030 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-21 19:53:09,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:53:09,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-21 19:53:09,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:53:09,189 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;@20d97399, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:53:09,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-21 19:53:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 2200 states, 1246 states have (on average 1.2431781701444622) internal successors, (1549), 1295 states have internal predecessors, (1549), 811 states have call successors, (811), 141 states have call predecessors, (811), 140 states have return successors, (806), 792 states have call predecessors, (806), 806 states have call successors, (806) [2023-11-21 19:53:09,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-21 19:53:09,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:09,231 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:09,232 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 19:53:09,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:09,241 INFO L85 PathProgramCache]: Analyzing trace with hash -93353147, now seen corresponding path program 1 times [2023-11-21 19:53:09,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:09,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117350176] [2023-11-21 19:53:09,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:10,226 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 19:53:10,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:10,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117350176] [2023-11-21 19:53:10,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117350176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:10,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:10,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:53:10,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275275438] [2023-11-21 19:53:10,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:10,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:10,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:10,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:10,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:10,292 INFO L87 Difference]: Start difference. First operand has 2200 states, 1246 states have (on average 1.2431781701444622) internal successors, (1549), 1295 states have internal predecessors, (1549), 811 states have call successors, (811), 141 states have call predecessors, (811), 140 states have return successors, (806), 792 states have call predecessors, (806), 806 states have call successors, (806) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-21 19:53:14,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:14,369 INFO L93 Difference]: Finished difference Result 6506 states and 9517 transitions. [2023-11-21 19:53:14,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:14,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 97 [2023-11-21 19:53:14,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:14,451 INFO L225 Difference]: With dead ends: 6506 [2023-11-21 19:53:14,451 INFO L226 Difference]: Without dead ends: 4313 [2023-11-21 19:53:14,474 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 [2023-11-21 19:53:14,477 INFO L413 NwaCegarLoop]: 2783 mSDtfsCounter, 3077 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3077 SdHoareTripleChecker+Valid, 5526 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:14,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3077 Valid, 5526 Invalid, 791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-21 19:53:14,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2023-11-21 19:53:14,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4309. [2023-11-21 19:53:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 2451 states have (on average 1.2394940840473276) internal successors, (3038), 2547 states have internal predecessors, (3038), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1575), 1547 states have call predecessors, (1575), 1575 states have call successors, (1575) [2023-11-21 19:53:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6191 transitions. [2023-11-21 19:53:14,869 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6191 transitions. Word has length 97 [2023-11-21 19:53:14,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:14,870 INFO L495 AbstractCegarLoop]: Abstraction has 4309 states and 6191 transitions. [2023-11-21 19:53:14,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-21 19:53:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6191 transitions. [2023-11-21 19:53:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-21 19:53:14,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:14,878 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:14,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:53:14,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-21 19:53:14,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:14,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1541279321, now seen corresponding path program 1 times [2023-11-21 19:53:14,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:14,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699217728] [2023-11-21 19:53:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:14,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 19:53:15,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:15,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699217728] [2023-11-21 19:53:15,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699217728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:15,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:15,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:53:15,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816587248] [2023-11-21 19:53:15,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:15,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:15,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:15,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:15,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:15,289 INFO L87 Difference]: Start difference. First operand 4309 states and 6191 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-21 19:53:19,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:53:20,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:20,933 INFO L93 Difference]: Finished difference Result 7845 states and 11162 transitions. [2023-11-21 19:53:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:20,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2023-11-21 19:53:20,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:20,972 INFO L225 Difference]: With dead ends: 7845 [2023-11-21 19:53:20,972 INFO L226 Difference]: Without dead ends: 3553 [2023-11-21 19:53:20,999 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 [2023-11-21 19:53:21,001 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 936 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:21,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 5500 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 849 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2023-11-21 19:53:21,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states. [2023-11-21 19:53:21,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 3527. [2023-11-21 19:53:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3527 states, 2018 states have (on average 1.2329038652130822) internal successors, (2488), 2083 states have internal predecessors, (2488), 1223 states have call successors, (1223), 284 states have call predecessors, (1223), 283 states have return successors, (1220), 1203 states have call predecessors, (1220), 1220 states have call successors, (1220) [2023-11-21 19:53:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4931 transitions. [2023-11-21 19:53:21,242 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4931 transitions. Word has length 102 [2023-11-21 19:53:21,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:21,244 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 4931 transitions. [2023-11-21 19:53:21,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-21 19:53:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4931 transitions. [2023-11-21 19:53:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-21 19:53:21,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:21,248 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:21,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:53:21,249 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)] === [2023-11-21 19:53:21,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:21,259 INFO L85 PathProgramCache]: Analyzing trace with hash -469263408, now seen corresponding path program 1 times [2023-11-21 19:53:21,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:21,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162243863] [2023-11-21 19:53:21,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:21,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 19:53:21,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:21,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162243863] [2023-11-21 19:53:21,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162243863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:21,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:21,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:53:21,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467397312] [2023-11-21 19:53:21,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:21,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:21,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:21,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:21,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:21,768 INFO L87 Difference]: Start difference. First operand 3527 states and 4931 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-21 19:53:25,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:53:25,743 INFO L93 Difference]: Finished difference Result 9555 states and 13388 transitions. [2023-11-21 19:53:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:53:25,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 105 [2023-11-21 19:53:25,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:53:25,799 INFO L225 Difference]: With dead ends: 9555 [2023-11-21 19:53:25,800 INFO L226 Difference]: Without dead ends: 6045 [2023-11-21 19:53:25,821 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 [2023-11-21 19:53:25,823 INFO L413 NwaCegarLoop]: 3168 mSDtfsCounter, 3042 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 5727 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-21 19:53:25,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 5727 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-21 19:53:25,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2023-11-21 19:53:26,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 6017. [2023-11-21 19:53:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6017 states, 3458 states have (on average 1.2353961827646038) internal successors, (4272), 3576 states have internal predecessors, (4272), 2074 states have call successors, (2074), 487 states have call predecessors, (2074), 482 states have return successors, (2090), 2028 states have call predecessors, (2090), 2071 states have call successors, (2090) [2023-11-21 19:53:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6017 states to 6017 states and 8436 transitions. [2023-11-21 19:53:26,263 INFO L78 Accepts]: Start accepts. Automaton has 6017 states and 8436 transitions. Word has length 105 [2023-11-21 19:53:26,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:53:26,265 INFO L495 AbstractCegarLoop]: Abstraction has 6017 states and 8436 transitions. [2023-11-21 19:53:26,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-21 19:53:26,267 INFO L276 IsEmpty]: Start isEmpty. Operand 6017 states and 8436 transitions. [2023-11-21 19:53:26,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-21 19:53:26,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:53:26,275 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:53:26,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 19:53:26,276 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)] === [2023-11-21 19:53:26,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:53:26,276 INFO L85 PathProgramCache]: Analyzing trace with hash 673087817, now seen corresponding path program 1 times [2023-11-21 19:53:26,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:53:26,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314889641] [2023-11-21 19:53:26,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:53:26,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:53:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:53:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 19:53:26,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:53:26,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314889641] [2023-11-21 19:53:26,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314889641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:53:26,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:53:26,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:53:26,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507119795] [2023-11-21 19:53:26,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:53:26,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:53:26,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:53:26,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:53:26,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:53:26,527 INFO L87 Difference]: Start difference. First operand 6017 states and 8436 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13)