./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 cf1a7837 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_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/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_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:50:56,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:56,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:50:56,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:56,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:56,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:56,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:56,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:56,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:56,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:56,315 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:56,316 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:56,316 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:56,318 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:56,319 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:56,319 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:56,320 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:56,320 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:56,321 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:56,321 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:56,322 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:56,322 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:56,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:56,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:56,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:56,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:56,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:56,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:56,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:56,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:56,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:56,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:56,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:56,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:56,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:56,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:56,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:56,346 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:56,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:56,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:56,348 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:56,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:56,349 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_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2023-11-12 00:50:56,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:56,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:56,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:56,729 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:56,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:56,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-12 00:50:59,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:51:00,641 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:51:00,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-12 00:51:00,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/data/7476015ce/01a4a4f101504bb29612623db26b4333/FLAG27b186a3e [2023-11-12 00:51:00,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/data/7476015ce/01a4a4f101504bb29612623db26b4333 [2023-11-12 00:51:00,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:51:00,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:51:00,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:00,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:51:00,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:51:00,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:00" (1/1) ... [2023-11-12 00:51:00,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455dc99b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:00, skipping insertion in model container [2023-11-12 00:51:00,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:51:00" (1/1) ... [2023-11-12 00:51:00,988 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:51:05,183 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_d619c689-09fe-482c-91e2-a93150b4b6ef/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] [2023-11-12 00:51:05,187 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_d619c689-09fe-482c-91e2-a93150b4b6ef/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] [2023-11-12 00:51:05,188 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_d619c689-09fe-482c-91e2-a93150b4b6ef/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] [2023-11-12 00:51:05,189 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_d619c689-09fe-482c-91e2-a93150b4b6ef/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] [2023-11-12 00:51:05,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:05,275 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:51:05,418 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] [2023-11-12 00:51:05,420 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] [2023-11-12 00:51:05,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5609] [2023-11-12 00:51:05,422 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] [2023-11-12 00:51:05,423 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] [2023-11-12 00:51:05,424 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] [2023-11-12 00:51:05,424 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] [2023-11-12 00:51:05,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5850] [2023-11-12 00:51:05,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5857] [2023-11-12 00:51:05,433 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] [2023-11-12 00:51:05,436 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] [2023-11-12 00:51:05,437 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] [2023-11-12 00:51:05,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6092-6093] [2023-11-12 00:51:05,448 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] [2023-11-12 00:51:05,448 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6452] [2023-11-12 00:51:05,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9125] [2023-11-12 00:51:05,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9187] [2023-11-12 00:51:05,602 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9315] [2023-11-12 00:51:05,604 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb2->data) [9372] [2023-11-12 00:51:05,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2023-11-12 00:51:05,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9863] [2023-11-12 00:51:05,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9870] [2023-11-12 00:51:05,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9894] [2023-11-12 00:51:05,740 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_d619c689-09fe-482c-91e2-a93150b4b6ef/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] [2023-11-12 00:51:05,741 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_d619c689-09fe-482c-91e2-a93150b4b6ef/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] [2023-11-12 00:51:05,741 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_d619c689-09fe-482c-91e2-a93150b4b6ef/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] [2023-11-12 00:51:05,742 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_d619c689-09fe-482c-91e2-a93150b4b6ef/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] [2023-11-12 00:51:05,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:51:06,054 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:51:06,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06 WrapperNode [2023-11-12 00:51:06,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:51:06,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:06,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:51:06,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:51:06,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,537 INFO L138 Inliner]: procedures = 572, calls = 3092, calls flagged for inlining = 288, calls inlined = 256, statements flattened = 7871 [2023-11-12 00:51:06,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:51:06,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:51:06,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:51:06,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:51:06,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,592 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:06,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:07,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:51:07,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:51:07,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:51:07,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:51:07,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (1/1) ... [2023-11-12 00:51:07,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:51:07,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:51:07,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:51:07,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d619c689-09fe-482c-91e2-a93150b4b6ef/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:51:07,151 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2023-11-12 00:51:07,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2023-11-12 00:51:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-12 00:51:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-12 00:51:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:51:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:51:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:51:07,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:51:07,152 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:51:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:51:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-12 00:51:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-12 00:51:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2023-11-12 00:51:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2023-11-12 00:51:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:51:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:51:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:51:07,153 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:51:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-12 00:51:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-12 00:51:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:51:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:51:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2023-11-12 00:51:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2023-11-12 00:51:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2023-11-12 00:51:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2023-11-12 00:51:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:51:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:51:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:51:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:51:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-12 00:51:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-12 00:51:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2023-11-12 00:51:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2023-11-12 00:51:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2023-11-12 00:51:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2023-11-12 00:51:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:51:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:51:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:51:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:51:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:51:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:51:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-11-12 00:51:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-11-12 00:51:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2023-11-12 00:51:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2023-11-12 00:51:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:51:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:51:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2023-11-12 00:51:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2023-11-12 00:51:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:51:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:51:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:51:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:51:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2023-11-12 00:51:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2023-11-12 00:51:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:51:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:51:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:51:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:51:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:51:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:51:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:51:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:51:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:51:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2023-11-12 00:51:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2023-11-12 00:51:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2023-11-12 00:51:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2023-11-12 00:51:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:51:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:51:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:51:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:51:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-12 00:51:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-12 00:51:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:51:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:51:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:51:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:51:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:51:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:51:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:51:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:51:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2023-11-12 00:51:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2023-11-12 00:51:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:51:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:51:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:51:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:51:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:51:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:51:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:51:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:51:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:51:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:51:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:51:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2023-11-12 00:51:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2023-11-12 00:51:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-12 00:51:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-12 00:51:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-12 00:51:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-12 00:51:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2023-11-12 00:51:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2023-11-12 00:51:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:51:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:51:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2023-11-12 00:51:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2023-11-12 00:51:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2023-11-12 00:51:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2023-11-12 00:51:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:51:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:51:07,164 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2023-11-12 00:51:07,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2023-11-12 00:51:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:51:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2023-11-12 00:51:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2023-11-12 00:51:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:51:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:51:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:51:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:51:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:51:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:51:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2023-11-12 00:51:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2023-11-12 00:51:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2023-11-12 00:51:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2023-11-12 00:51:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:51:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2023-11-12 00:51:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2023-11-12 00:51:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:51:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:51:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:51:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:51:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:51:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2023-11-12 00:51:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2023-11-12 00:51:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:51:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:51:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2023-11-12 00:51:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2023-11-12 00:51:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:51:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:51:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-12 00:51:07,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-12 00:51:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:51:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:51:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2023-11-12 00:51:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2023-11-12 00:51:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:51:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:51:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:51:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:51:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 00:51:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 00:51:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:51:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:51:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2023-11-12 00:51:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2023-11-12 00:51:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:51:07,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:51:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-12 00:51:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-12 00:51:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2023-11-12 00:51:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2023-11-12 00:51:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-12 00:51:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-12 00:51:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:51:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:51:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:51:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:51:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:51:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:51:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2023-11-12 00:51:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2023-11-12 00:51:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:51:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:51:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2023-11-12 00:51:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2023-11-12 00:51:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:51:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:51:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:51:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:51:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 00:51:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 00:51:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:51:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:51:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:51:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:51:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2023-11-12 00:51:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2023-11-12 00:51:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-12 00:51:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-12 00:51:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:51:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:51:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:51:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:51:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2023-11-12 00:51:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2023-11-12 00:51:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:51:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:51:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2023-11-12 00:51:07,175 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2023-11-12 00:51:07,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:51:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:51:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2023-11-12 00:51:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2023-11-12 00:51:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:51:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:51:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:51:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:51:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 00:51:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 00:51:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2023-11-12 00:51:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2023-11-12 00:51:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:51:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:51:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-12 00:51:07,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-12 00:51:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:51:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:51:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:51:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:51:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:51:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:51:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:51:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:51:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 00:51:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:51:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:51:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-12 00:51:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-12 00:51:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:51:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:51:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:51:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:51:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:51:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:51:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2023-11-12 00:51:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2023-11-12 00:51:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:51:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:51:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:51:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:51:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2023-11-12 00:51:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2023-11-12 00:51:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2023-11-12 00:51:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2023-11-12 00:51:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:51:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:51:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2023-11-12 00:51:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2023-11-12 00:51:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2023-11-12 00:51:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2023-11-12 00:51:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-12 00:51:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-12 00:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:51:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2023-11-12 00:51:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2023-11-12 00:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-12 00:51:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-12 00:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:51:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:51:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2023-11-12 00:51:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2023-11-12 00:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:51:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2023-11-12 00:51:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2023-11-12 00:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2023-11-12 00:51:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2023-11-12 00:51:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:51:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2023-11-12 00:51:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2023-11-12 00:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-12 00:51:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-12 00:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2023-11-12 00:51:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2023-11-12 00:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2023-11-12 00:51:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2023-11-12 00:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:51:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:51:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 00:51:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 00:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:51:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-12 00:51:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-12 00:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:51:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-12 00:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:51:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2023-11-12 00:51:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2023-11-12 00:51:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:51:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:51:08,229 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:51:08,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:51:08,609 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:51:15,221 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:51:15,473 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:51:20,568 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:51:20,568 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:51:20,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:20 BoogieIcfgContainer [2023-11-12 00:51:20,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:51:20,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:51:20,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:51:20,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:51:20,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:51:00" (1/3) ... [2023-11-12 00:51:20,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276eab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:20, skipping insertion in model container [2023-11-12 00:51:20,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:51:06" (2/3) ... [2023-11-12 00:51:20,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276eab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:51:20, skipping insertion in model container [2023-11-12 00:51:20,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:51:20" (3/3) ... [2023-11-12 00:51:20,589 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-12 00:51:20,610 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:51:20,611 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:51:20,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:51:20,739 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;@6d5ec257, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:51:20,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:51:20,756 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) [2023-11-12 00:51:20,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-12 00:51:20,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:20,781 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] [2023-11-12 00:51:20,782 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)] === [2023-11-12 00:51:20,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:20,790 INFO L85 PathProgramCache]: Analyzing trace with hash -423121839, now seen corresponding path program 1 times [2023-11-12 00:51:20,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:20,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202769347] [2023-11-12 00:51:20,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:20,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:51:21,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:21,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202769347] [2023-11-12 00:51:21,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202769347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:21,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:21,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:21,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530676136] [2023-11-12 00:51:21,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:21,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:21,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:21,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:21,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:21,939 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) [2023-11-12 00:51:27,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:27,365 INFO L93 Difference]: Finished difference Result 6506 states and 9517 transitions. [2023-11-12 00:51:27,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:51:27,368 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 [2023-11-12 00:51:27,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:27,439 INFO L225 Difference]: With dead ends: 6506 [2023-11-12 00:51:27,440 INFO L226 Difference]: Without dead ends: 4313 [2023-11-12 00:51:27,471 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 [2023-11-12 00:51:27,476 INFO L413 NwaCegarLoop]: 2783 mSDtfsCounter, 3077 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 4.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:27,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3077 Valid, 5526 Invalid, 791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-12 00:51:27,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2023-11-12 00:51:27,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4309. [2023-11-12 00:51:27,888 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) [2023-11-12 00:51:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6191 transitions. [2023-11-12 00:51:27,947 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6191 transitions. Word has length 97 [2023-11-12 00:51:27,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:27,950 INFO L495 AbstractCegarLoop]: Abstraction has 4309 states and 6191 transitions. [2023-11-12 00:51:27,950 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) [2023-11-12 00:51:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6191 transitions. [2023-11-12 00:51:27,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-12 00:51:27,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:27,963 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] [2023-11-12 00:51:27,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:51:27,964 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)] === [2023-11-12 00:51:27,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:27,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1182029304, now seen corresponding path program 1 times [2023-11-12 00:51:27,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:27,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145470308] [2023-11-12 00:51:27,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:27,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:28,568 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:51:28,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:28,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145470308] [2023-11-12 00:51:28,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145470308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:28,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:28,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:28,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367498004] [2023-11-12 00:51:28,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:28,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:28,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:28,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:28,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:28,573 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) [2023-11-12 00:51:33,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:33,277 INFO L93 Difference]: Finished difference Result 7845 states and 11162 transitions. [2023-11-12 00:51:33,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:51:33,278 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 [2023-11-12 00:51:33,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:33,319 INFO L225 Difference]: With dead ends: 7845 [2023-11-12 00:51:33,320 INFO L226 Difference]: Without dead ends: 3553 [2023-11-12 00:51:33,350 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 [2023-11-12 00:51:33,351 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 936 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:33,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 5500 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-12 00:51:33,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states. [2023-11-12 00:51:33,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 3527. [2023-11-12 00:51:33,555 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) [2023-11-12 00:51:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4931 transitions. [2023-11-12 00:51:33,582 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4931 transitions. Word has length 102 [2023-11-12 00:51:33,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:33,583 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 4931 transitions. [2023-11-12 00:51:33,583 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) [2023-11-12 00:51:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4931 transitions. [2023-11-12 00:51:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-12 00:51:33,586 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:33,586 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] [2023-11-12 00:51:33,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:51:33,587 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)] === [2023-11-12 00:51:33,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:33,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1915560201, now seen corresponding path program 1 times [2023-11-12 00:51:33,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:33,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639656028] [2023-11-12 00:51:33,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:51:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:51:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:51:33,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:51:33,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639656028] [2023-11-12 00:51:33,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639656028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:51:33,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:51:33,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:51:33,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331559879] [2023-11-12 00:51:33,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:51:33,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:51:33,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:51:33,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:51:33,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:51:33,954 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) [2023-11-12 00:51:39,250 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 [] [2023-11-12 00:51:41,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:42,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:51:43,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:51:43,000 INFO L93 Difference]: Finished difference Result 9555 states and 13388 transitions. [2023-11-12 00:51:43,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:51:43,001 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 [2023-11-12 00:51:43,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:51:43,057 INFO L225 Difference]: With dead ends: 9555 [2023-11-12 00:51:43,057 INFO L226 Difference]: Without dead ends: 6045 [2023-11-12 00:51:43,079 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 [2023-11-12 00:51:43,080 INFO L413 NwaCegarLoop]: 3168 mSDtfsCounter, 3042 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 5727 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:51:43,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 5727 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 823 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2023-11-12 00:51:43,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2023-11-12 00:51:43,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 6017. [2023-11-12 00:51:43,427 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) [2023-11-12 00:51:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6017 states to 6017 states and 8436 transitions. [2023-11-12 00:51:43,469 INFO L78 Accepts]: Start accepts. Automaton has 6017 states and 8436 transitions. Word has length 105 [2023-11-12 00:51:43,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:51:43,472 INFO L495 AbstractCegarLoop]: Abstraction has 6017 states and 8436 transitions. [2023-11-12 00:51:43,472 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) [2023-11-12 00:51:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 6017 states and 8436 transitions. [2023-11-12 00:51:43,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 00:51:43,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:51:43,480 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] [2023-11-12 00:51:43,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:51:43,481 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)] === [2023-11-12 00:51:43,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:51:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1483169007, now seen corresponding path program 1 times [2023-11-12 00:51:43,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:51:43,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684568695] [2023-11-12 00:51:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:51:43,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms