./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/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_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ --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-9bd2c7f [2023-11-19 04:46:10,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:46:10,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:46:10,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:46:10,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:46:10,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:46:10,618 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:46:10,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:46:10,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:46:10,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:46:10,627 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:46:10,629 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:46:10,630 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:46:10,632 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:46:10,632 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:46:10,633 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:46:10,634 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:46:10,634 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:46:10,635 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:46:10,635 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:46:10,636 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:46:10,637 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:46:10,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:46:10,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:46:10,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:46:10,640 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:46:10,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:46:10,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:46:10,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:46:10,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:46:10,644 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:46:10,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:46:10,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:46:10,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:10,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:46:10,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:46:10,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:46:10,647 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:46:10,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:46:10,648 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:46:10,649 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:46:10,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:46:10,650 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_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2023-11-19 04:46:11,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:46:11,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:46:11,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:46:11,058 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:46:11,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:46:11,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-19 04:46:14,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:46:15,318 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:46:15,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-19 04:46:15,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/data/1284159ca/c9f41514da6f497aac72d003e095cfff/FLAG406b5ff1f [2023-11-19 04:46:15,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/data/1284159ca/c9f41514da6f497aac72d003e095cfff [2023-11-19 04:46:15,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:46:15,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:46:15,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:15,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:46:15,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:46:15,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:15" (1/1) ... [2023-11-19 04:46:15,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8cdeef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:15, skipping insertion in model container [2023-11-19 04:46:15,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:46:15" (1/1) ... [2023-11-19 04:46:15,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:20,292 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_752c76fa-4b19-418d-b2af-89c35737521b/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] [2023-11-19 04:46:20,299 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_752c76fa-4b19-418d-b2af-89c35737521b/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] [2023-11-19 04:46:20,300 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_752c76fa-4b19-418d-b2af-89c35737521b/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] [2023-11-19 04:46:20,301 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_752c76fa-4b19-418d-b2af-89c35737521b/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] [2023-11-19 04:46:20,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:20,442 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:46:20,695 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] [2023-11-19 04:46:20,698 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] [2023-11-19 04:46:20,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5609] [2023-11-19 04:46:20,700 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] [2023-11-19 04:46:20,701 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] [2023-11-19 04:46:20,706 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] [2023-11-19 04:46:20,706 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] [2023-11-19 04:46:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5850] [2023-11-19 04:46:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5857] [2023-11-19 04:46:20,719 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] [2023-11-19 04:46:20,722 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] [2023-11-19 04:46:20,724 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] [2023-11-19 04:46:20,725 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] [2023-11-19 04:46:20,737 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] [2023-11-19 04:46:20,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6452] [2023-11-19 04:46:20,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9125] [2023-11-19 04:46:20,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9187] [2023-11-19 04:46:20,842 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9315] [2023-11-19 04:46:20,845 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb2->data) [9372] [2023-11-19 04:46:20,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2023-11-19 04:46:20,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9863] [2023-11-19 04:46:20,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9870] [2023-11-19 04:46:20,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9894] [2023-11-19 04:46:21,022 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_752c76fa-4b19-418d-b2af-89c35737521b/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] [2023-11-19 04:46:21,023 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_752c76fa-4b19-418d-b2af-89c35737521b/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] [2023-11-19 04:46:21,024 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_752c76fa-4b19-418d-b2af-89c35737521b/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] [2023-11-19 04:46:21,024 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_752c76fa-4b19-418d-b2af-89c35737521b/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] [2023-11-19 04:46:21,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:21,379 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:46:21,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21 WrapperNode [2023-11-19 04:46:21,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:21,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:21,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:46:21,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:46:21,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:21,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,014 INFO L138 Inliner]: procedures = 572, calls = 3092, calls flagged for inlining = 288, calls inlined = 256, statements flattened = 7871 [2023-11-19 04:46:22,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:22,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:46:22,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:46:22,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:46:22,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:46:22,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:46:22,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:46:22,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:46:22,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (1/1) ... [2023-11-19 04:46:22,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:22,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:22,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:46:22,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752c76fa-4b19-418d-b2af-89c35737521b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:46:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2023-11-19 04:46:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2023-11-19 04:46:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-19 04:46:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-19 04:46:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:46:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:46:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:46:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:46:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 04:46:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 04:46:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-19 04:46:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-19 04:46:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2023-11-19 04:46:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2023-11-19 04:46:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:46:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:46:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:46:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:46:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-19 04:46:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-19 04:46:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:46:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:46:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2023-11-19 04:46:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2023-11-19 04:46:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2023-11-19 04:46:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2023-11-19 04:46:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:46:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:46:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 04:46:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 04:46:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 04:46:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-19 04:46:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2023-11-19 04:46:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2023-11-19 04:46:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2023-11-19 04:46:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2023-11-19 04:46:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 04:46:22,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 04:46:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 04:46:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 04:46:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:46:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:46:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-11-19 04:46:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-11-19 04:46:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2023-11-19 04:46:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2023-11-19 04:46:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:46:22,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:46:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2023-11-19 04:46:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2023-11-19 04:46:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:46:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:46:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:46:22,558 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:46:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2023-11-19 04:46:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2023-11-19 04:46:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:46:22,559 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:46:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:46:22,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:46:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 04:46:22,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 04:46:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:46:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 04:46:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 04:46:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2023-11-19 04:46:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2023-11-19 04:46:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2023-11-19 04:46:22,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2023-11-19 04:46:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:46:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:46:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:46:22,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:46:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-19 04:46:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-19 04:46:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:46:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:46:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:46:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:46:22,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:46:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:46:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:46:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:46:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2023-11-19 04:46:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2023-11-19 04:46:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:46:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:46:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:46:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:46:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:46:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:46:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:46:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:46:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:46:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:46:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:46:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2023-11-19 04:46:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2023-11-19 04:46:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-19 04:46:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-19 04:46:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-19 04:46:22,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-19 04:46:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2023-11-19 04:46:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2023-11-19 04:46:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 04:46:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 04:46:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2023-11-19 04:46:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2023-11-19 04:46:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2023-11-19 04:46:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2023-11-19 04:46:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:46:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:46:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2023-11-19 04:46:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2023-11-19 04:46:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:46:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2023-11-19 04:46:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2023-11-19 04:46:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:46:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:46:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:46:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:46:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 04:46:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 04:46:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2023-11-19 04:46:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2023-11-19 04:46:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2023-11-19 04:46:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2023-11-19 04:46:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:46:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2023-11-19 04:46:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2023-11-19 04:46:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:46:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:46:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:46:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:46:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:46:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2023-11-19 04:46:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2023-11-19 04:46:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:46:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:46:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2023-11-19 04:46:22,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2023-11-19 04:46:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:46:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:46:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-19 04:46:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-19 04:46:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 04:46:22,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 04:46:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2023-11-19 04:46:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2023-11-19 04:46:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 04:46:22,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 04:46:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 04:46:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 04:46:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 04:46:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 04:46:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:46:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:46:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2023-11-19 04:46:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2023-11-19 04:46:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:46:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:46:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-19 04:46:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-19 04:46:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2023-11-19 04:46:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2023-11-19 04:46:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-19 04:46:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-19 04:46:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 04:46:22,602 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 04:46:22,602 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 04:46:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 04:46:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:46:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:46:22,603 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2023-11-19 04:46:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2023-11-19 04:46:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 04:46:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 04:46:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2023-11-19 04:46:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2023-11-19 04:46:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:46:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:46:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:46:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:46:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:46:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:46:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:46:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:46:22,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 04:46:22,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 04:46:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2023-11-19 04:46:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2023-11-19 04:46:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 04:46:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 04:46:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 04:46:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 04:46:22,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:46:22,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:46:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2023-11-19 04:46:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2023-11-19 04:46:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 04:46:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 04:46:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2023-11-19 04:46:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2023-11-19 04:46:22,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:46:22,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:46:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2023-11-19 04:46:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2023-11-19 04:46:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:46:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:46:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 04:46:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 04:46:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 04:46:22,696 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 04:46:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2023-11-19 04:46:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2023-11-19 04:46:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 04:46:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 04:46:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 04:46:22,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 04:46:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:46:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:46:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:46:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:46:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:46:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 04:46:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 04:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-19 04:46:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-19 04:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:46:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:46:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:46:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 04:46:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 04:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2023-11-19 04:46:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2023-11-19 04:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:46:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 04:46:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 04:46:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2023-11-19 04:46:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2023-11-19 04:46:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2023-11-19 04:46:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2023-11-19 04:46:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:46:22,701 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:46:22,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2023-11-19 04:46:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2023-11-19 04:46:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2023-11-19 04:46:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2023-11-19 04:46:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-19 04:46:22,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-19 04:46:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:46:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:46:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2023-11-19 04:46:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2023-11-19 04:46:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-19 04:46:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-19 04:46:22,703 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:46:22,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:46:22,704 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2023-11-19 04:46:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2023-11-19 04:46:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:46:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:46:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:46:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2023-11-19 04:46:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2023-11-19 04:46:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2023-11-19 04:46:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2023-11-19 04:46:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 04:46:22,715 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 04:46:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2023-11-19 04:46:22,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2023-11-19 04:46:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-19 04:46:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-19 04:46:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2023-11-19 04:46:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2023-11-19 04:46:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2023-11-19 04:46:22,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2023-11-19 04:46:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:46:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:46:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:46:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:46:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 04:46:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 04:46:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-19 04:46:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-19 04:46:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 04:46:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 04:46:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-19 04:46:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:46:22,720 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2023-11-19 04:46:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2023-11-19 04:46:22,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:46:22,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:46:23,795 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:46:23,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:46:24,132 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:46:30,589 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:46:30,862 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:46:35,895 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:46:35,896 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:46:35,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:35 BoogieIcfgContainer [2023-11-19 04:46:35,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:46:35,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:46:35,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:46:35,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:46:35,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:46:15" (1/3) ... [2023-11-19 04:46:35,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8bef8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:35, skipping insertion in model container [2023-11-19 04:46:35,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:21" (2/3) ... [2023-11-19 04:46:35,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8bef8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:35, skipping insertion in model container [2023-11-19 04:46:35,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:35" (3/3) ... [2023-11-19 04:46:35,925 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-19 04:46:35,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:46:35,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 04:46:36,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:46:36,068 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;@3e341f06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:46:36,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 04:46:36,084 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) [2023-11-19 04:46:36,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:46:36,103 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:36,104 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] [2023-11-19 04:46:36,105 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)] === [2023-11-19 04:46:36,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:36,111 INFO L85 PathProgramCache]: Analyzing trace with hash -423121839, now seen corresponding path program 1 times [2023-11-19 04:46:36,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:36,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34159907] [2023-11-19 04:46:36,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:36,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:46:37,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:37,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34159907] [2023-11-19 04:46:37,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34159907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:37,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:37,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:46:37,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955033456] [2023-11-19 04:46:37,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:37,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:46:37,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:37,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:46:37,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:46:37,378 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) [2023-11-19 04:46:42,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:42,768 INFO L93 Difference]: Finished difference Result 6506 states and 9517 transitions. [2023-11-19 04:46:42,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:46:42,771 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 [2023-11-19 04:46:42,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:42,851 INFO L225 Difference]: With dead ends: 6506 [2023-11-19 04:46:42,851 INFO L226 Difference]: Without dead ends: 4313 [2023-11-19 04:46:42,886 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 [2023-11-19 04:46:42,891 INFO L413 NwaCegarLoop]: 2783 mSDtfsCounter, 3077 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:42,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3077 Valid, 5526 Invalid, 791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-19 04:46:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2023-11-19 04:46:43,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4309. [2023-11-19 04:46:43,363 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) [2023-11-19 04:46:43,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6191 transitions. [2023-11-19 04:46:43,437 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6191 transitions. Word has length 97 [2023-11-19 04:46:43,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:43,440 INFO L495 AbstractCegarLoop]: Abstraction has 4309 states and 6191 transitions. [2023-11-19 04:46:43,440 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) [2023-11-19 04:46:43,441 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6191 transitions. [2023-11-19 04:46:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 04:46:43,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:43,455 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] [2023-11-19 04:46:43,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:46:43,456 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)] === [2023-11-19 04:46:43,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:43,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1182029304, now seen corresponding path program 1 times [2023-11-19 04:46:43,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:43,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98244045] [2023-11-19 04:46:43,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:43,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:46:43,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:43,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98244045] [2023-11-19 04:46:43,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98244045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:43,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:44,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:46:44,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891461544] [2023-11-19 04:46:44,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:44,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:46:44,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:44,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:46:44,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:46:44,007 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) [2023-11-19 04:46:47,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:47,359 INFO L93 Difference]: Finished difference Result 7845 states and 11162 transitions. [2023-11-19 04:46:47,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:46:47,360 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 [2023-11-19 04:46:47,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:47,397 INFO L225 Difference]: With dead ends: 7845 [2023-11-19 04:46:47,397 INFO L226 Difference]: Without dead ends: 3553 [2023-11-19 04:46:47,425 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 [2023-11-19 04:46:47,427 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 936 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:47,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 5500 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-19 04:46:47,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states. [2023-11-19 04:46:47,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 3527. [2023-11-19 04:46:47,636 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) [2023-11-19 04:46:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4931 transitions. [2023-11-19 04:46:47,668 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4931 transitions. Word has length 102 [2023-11-19 04:46:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:47,670 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 4931 transitions. [2023-11-19 04:46:47,670 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) [2023-11-19 04:46:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4931 transitions. [2023-11-19 04:46:47,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 04:46:47,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:47,674 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] [2023-11-19 04:46:47,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:46:47,675 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)] === [2023-11-19 04:46:47,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:47,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1915560201, now seen corresponding path program 1 times [2023-11-19 04:46:47,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:47,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237346748] [2023-11-19 04:46:47,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:47,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:46:48,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:48,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237346748] [2023-11-19 04:46:48,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237346748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:48,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:48,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:46:48,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692979964] [2023-11-19 04:46:48,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:48,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:46:48,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:48,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:46:48,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:46:48,023 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) [2023-11-19 04:46:53,522 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 [] [2023-11-19 04:46:53,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:53,809 INFO L93 Difference]: Finished difference Result 9555 states and 13388 transitions. [2023-11-19 04:46:53,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:46:53,810 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 [2023-11-19 04:46:53,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:53,873 INFO L225 Difference]: With dead ends: 9555 [2023-11-19 04:46:53,873 INFO L226 Difference]: Without dead ends: 6045 [2023-11-19 04:46:53,898 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 [2023-11-19 04:46:53,903 INFO L413 NwaCegarLoop]: 3168 mSDtfsCounter, 3042 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 5727 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:53,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 5727 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 823 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2023-11-19 04:46:53,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2023-11-19 04:46:54,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 6017. [2023-11-19 04:46:54,490 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) [2023-11-19 04:46:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6017 states to 6017 states and 8436 transitions. [2023-11-19 04:46:54,540 INFO L78 Accepts]: Start accepts. Automaton has 6017 states and 8436 transitions. Word has length 105 [2023-11-19 04:46:54,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:54,543 INFO L495 AbstractCegarLoop]: Abstraction has 6017 states and 8436 transitions. [2023-11-19 04:46:54,543 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) [2023-11-19 04:46:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 6017 states and 8436 transitions. [2023-11-19 04:46:54,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 04:46:54,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:54,552 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] [2023-11-19 04:46:54,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:46:54,553 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)] === [2023-11-19 04:46:54,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:54,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1483169007, now seen corresponding path program 1 times [2023-11-19 04:46:54,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:54,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277029779] [2023-11-19 04:46:54,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:54,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:54,824 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:46:54,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:54,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277029779] [2023-11-19 04:46:54,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277029779] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:54,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:54,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:46:54,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091745136] [2023-11-19 04:46:54,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:54,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:46:54,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:54,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:46:54,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:46:54,828 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)