./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 30e01a73 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/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_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 21:10:58,960 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:59,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:10:59,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:59,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:59,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:59,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:59,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:59,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:59,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:59,086 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:59,087 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:59,087 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:59,089 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:59,090 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:59,090 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:59,090 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:59,091 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:59,091 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:59,092 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:59,092 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:59,093 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:59,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:59,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:59,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:59,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:59,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:59,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:59,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:59,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:59,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:59,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:59,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:59,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:59,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:59,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:59,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:59,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:59,099 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:59,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:59,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:59,100 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:59,100 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:59,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:59,101 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2023-11-23 21:10:59,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:59,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:59,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:59,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:59,378 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:59,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-23 21:11:02,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:03,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:03,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-23 21:11:03,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/data/731fef25f/bac2c7eb72fb41fabf46df77846ea2c4/FLAGf8441e503 [2023-11-23 21:11:03,342 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/data/731fef25f/bac2c7eb72fb41fabf46df77846ea2c4 [2023-11-23 21:11:03,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:03,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:03,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:03,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:03,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:03,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:03" (1/1) ... [2023-11-23 21:11:03,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1e6d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:03, skipping insertion in model container [2023-11-23 21:11:03,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:03" (1/1) ... [2023-11-23 21:11:03,564 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:07,493 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/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] [2023-11-23 21:11:07,497 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/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] [2023-11-23 21:11:07,498 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/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] [2023-11-23 21:11:07,498 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/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] [2023-11-23 21:11:07,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:07,608 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:07,770 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] [2023-11-23 21:11:07,772 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] [2023-11-23 21:11:07,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5609] [2023-11-23 21:11:07,775 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] [2023-11-23 21:11:07,776 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] [2023-11-23 21:11:07,777 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] [2023-11-23 21:11:07,777 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] [2023-11-23 21:11:07,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5850] [2023-11-23 21:11:07,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5857] [2023-11-23 21:11:07,793 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] [2023-11-23 21:11:07,797 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] [2023-11-23 21:11:07,799 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] [2023-11-23 21:11:07,801 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] [2023-11-23 21:11:07,815 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] [2023-11-23 21:11:07,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6452] [2023-11-23 21:11:07,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9125] [2023-11-23 21:11:07,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9187] [2023-11-23 21:11:07,947 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9315] [2023-11-23 21:11:07,949 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb2->data) [9372] [2023-11-23 21:11:07,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2023-11-23 21:11:07,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9863] [2023-11-23 21:11:07,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9870] [2023-11-23 21:11:07,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9894] [2023-11-23 21:11:08,204 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/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] [2023-11-23 21:11:08,205 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/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] [2023-11-23 21:11:08,205 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/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] [2023-11-23 21:11:08,206 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_f3d01808-ea3a-4ccf-8640-11e5b229362d/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] [2023-11-23 21:11:08,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:08,463 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:08,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08 WrapperNode [2023-11-23 21:11:08,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:08,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:08,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:08,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:08,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:08,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:08,931 INFO L138 Inliner]: procedures = 572, calls = 3092, calls flagged for inlining = 288, calls inlined = 256, statements flattened = 7871 [2023-11-23 21:11:08,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:08,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:08,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:08,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:08,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:08,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:09,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:09,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:09,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:09,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:09,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:09,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:09,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3d01808-ea3a-4ccf-8640-11e5b229362d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2023-11-23 21:11:09,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2023-11-23 21:11:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-23 21:11:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-23 21:11:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:11:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:11:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:11:09,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:11:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-23 21:11:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-23 21:11:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-23 21:11:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-23 21:11:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2023-11-23 21:11:09,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2023-11-23 21:11:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:11:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:11:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:11:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:11:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-23 21:11:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-23 21:11:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:11:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:11:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2023-11-23 21:11:09,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2023-11-23 21:11:09,476 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2023-11-23 21:11:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2023-11-23 21:11:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:11:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:11:09,477 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:11:09,477 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:11:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-23 21:11:09,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-23 21:11:09,478 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2023-11-23 21:11:09,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2023-11-23 21:11:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2023-11-23 21:11:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2023-11-23 21:11:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:11:09,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:11:09,480 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:11:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:11:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:11:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:11:09,481 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-11-23 21:11:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-11-23 21:11:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2023-11-23 21:11:09,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2023-11-23 21:11:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:11:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:11:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2023-11-23 21:11:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2023-11-23 21:11:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:11:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:11:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:11:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:11:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2023-11-23 21:11:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2023-11-23 21:11:09,484 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:11:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:11:09,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:11:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:11:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:11:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:11:09,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:11:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:11:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:11:09,487 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2023-11-23 21:11:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2023-11-23 21:11:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2023-11-23 21:11:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2023-11-23 21:11:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:11:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:11:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:11:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:11:09,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-23 21:11:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-23 21:11:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:11:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:11:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:11:09,489 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:11:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:11:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:11:09,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:11:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:11:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2023-11-23 21:11:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2023-11-23 21:11:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:11:09,491 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:11:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:11:09,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:11:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:11:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:11:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:11:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:11:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:11:09,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:11:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:11:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2023-11-23 21:11:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2023-11-23 21:11:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-23 21:11:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-23 21:11:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-23 21:11:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-23 21:11:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2023-11-23 21:11:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2023-11-23 21:11:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:11:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:11:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2023-11-23 21:11:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2023-11-23 21:11:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2023-11-23 21:11:09,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2023-11-23 21:11:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:11:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:11:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2023-11-23 21:11:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2023-11-23 21:11:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:11:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2023-11-23 21:11:09,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2023-11-23 21:11:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:11:09,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:11:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:11:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:11:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 21:11:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 21:11:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2023-11-23 21:11:09,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2023-11-23 21:11:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2023-11-23 21:11:09,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2023-11-23 21:11:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2023-11-23 21:11:09,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2023-11-23 21:11:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:11:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:11:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:11:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:11:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:11:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2023-11-23 21:11:09,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2023-11-23 21:11:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:11:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:11:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2023-11-23 21:11:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2023-11-23 21:11:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:11:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:11:09,514 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-23 21:11:09,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-23 21:11:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:11:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:11:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2023-11-23 21:11:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2023-11-23 21:11:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-23 21:11:09,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-23 21:11:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:11:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:11:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 21:11:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 21:11:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:11:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:11:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2023-11-23 21:11:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2023-11-23 21:11:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:11:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:11:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-23 21:11:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-23 21:11:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2023-11-23 21:11:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2023-11-23 21:11:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-23 21:11:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-23 21:11:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:11:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:11:09,518 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:11:09,518 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:11:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2023-11-23 21:11:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2023-11-23 21:11:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:11:09,519 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:11:09,519 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2023-11-23 21:11:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2023-11-23 21:11:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:11:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:11:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:11:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:11:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:11:09,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:11:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:11:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:11:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:11:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:11:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2023-11-23 21:11:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2023-11-23 21:11:09,521 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-23 21:11:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-23 21:11:09,523 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 21:11:09,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 21:11:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:11:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:11:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2023-11-23 21:11:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2023-11-23 21:11:09,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:11:09,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:11:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2023-11-23 21:11:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2023-11-23 21:11:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:11:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:11:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2023-11-23 21:11:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2023-11-23 21:11:09,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:11:09,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:11:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:11:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:11:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 21:11:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-23 21:11:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2023-11-23 21:11:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2023-11-23 21:11:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-23 21:11:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-23 21:11:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-23 21:11:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-23 21:11:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:11:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:11:09,527 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:11:09,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:11:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:11:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:11:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:11:09,528 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 21:11:09,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 21:11:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-23 21:11:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-23 21:11:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:11:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:11:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:11:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:11:09,529 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:11:09,529 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:11:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2023-11-23 21:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2023-11-23 21:11:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:11:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:11:09,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:11:09,530 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2023-11-23 21:11:09,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2023-11-23 21:11:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2023-11-23 21:11:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2023-11-23 21:11:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:11:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:11:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2023-11-23 21:11:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2023-11-23 21:11:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2023-11-23 21:11:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2023-11-23 21:11:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-23 21:11:09,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-23 21:11:09,538 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:11:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2023-11-23 21:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2023-11-23 21:11:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-23 21:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-23 21:11:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:11:09,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:11:09,539 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2023-11-23 21:11:09,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2023-11-23 21:11:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:11:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:11:09,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:11:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2023-11-23 21:11:09,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2023-11-23 21:11:09,540 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2023-11-23 21:11:09,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2023-11-23 21:11:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-23 21:11:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-23 21:11:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2023-11-23 21:11:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2023-11-23 21:11:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-23 21:11:09,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-23 21:11:09,541 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2023-11-23 21:11:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2023-11-23 21:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2023-11-23 21:11:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2023-11-23 21:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:11:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:11:09,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:11:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:11:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-23 21:11:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-23 21:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:11:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-23 21:11:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2023-11-23 21:11:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2023-11-23 21:11:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:11:09,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:11:10,701 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:10,707 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:11,084 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:11:17,222 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:11:17,539 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:21,902 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:21,903 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:11:21,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:21 BoogieIcfgContainer [2023-11-23 21:11:21,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:21,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:21,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:21,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:21,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:03" (1/3) ... [2023-11-23 21:11:21,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fdd792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:21, skipping insertion in model container [2023-11-23 21:11:21,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (2/3) ... [2023-11-23 21:11:21,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74fdd792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:21, skipping insertion in model container [2023-11-23 21:11:21,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:21" (3/3) ... [2023-11-23 21:11:21,919 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-23 21:11:21,941 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:21,942 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:11:22,065 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:22,073 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;@211d1d53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:22,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:11:22,089 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) [2023-11-23 21:11:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 21:11:22,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:22,121 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] [2023-11-23 21:11:22,122 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)] === [2023-11-23 21:11:22,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:22,132 INFO L85 PathProgramCache]: Analyzing trace with hash -93353147, now seen corresponding path program 1 times [2023-11-23 21:11:22,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:22,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975930654] [2023-11-23 21:11:22,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:22,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:23,049 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:11:23,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:23,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975930654] [2023-11-23 21:11:23,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975930654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:23,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:23,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:23,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636073045] [2023-11-23 21:11:23,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:23,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:23,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:23,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:23,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:23,115 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) [2023-11-23 21:11:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:27,388 INFO L93 Difference]: Finished difference Result 6506 states and 9517 transitions. [2023-11-23 21:11:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:27,391 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 [2023-11-23 21:11:27,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:27,462 INFO L225 Difference]: With dead ends: 6506 [2023-11-23 21:11:27,462 INFO L226 Difference]: Without dead ends: 4313 [2023-11-23 21:11:27,493 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 [2023-11-23 21:11:27,497 INFO L413 NwaCegarLoop]: 2783 mSDtfsCounter, 3077 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3077 SdHoareTripleChecker+Valid, 5526 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:27,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3077 Valid, 5526 Invalid, 791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-23 21:11:27,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2023-11-23 21:11:27,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 4309. [2023-11-23 21:11:27,896 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) [2023-11-23 21:11:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 6191 transitions. [2023-11-23 21:11:27,954 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 6191 transitions. Word has length 97 [2023-11-23 21:11:27,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:27,955 INFO L495 AbstractCegarLoop]: Abstraction has 4309 states and 6191 transitions. [2023-11-23 21:11:27,955 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) [2023-11-23 21:11:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 6191 transitions. [2023-11-23 21:11:27,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 21:11:27,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:27,969 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] [2023-11-23 21:11:27,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:11:27,970 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)] === [2023-11-23 21:11:27,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:27,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1541279321, now seen corresponding path program 1 times [2023-11-23 21:11:27,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:27,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407074135] [2023-11-23 21:11:27,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:27,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:11:28,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:28,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407074135] [2023-11-23 21:11:28,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407074135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:28,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:28,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317710923] [2023-11-23 21:11:28,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:28,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:28,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:28,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:28,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:28,488 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) [2023-11-23 21:11:33,521 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 [] [2023-11-23 21:11:34,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:34,262 INFO L93 Difference]: Finished difference Result 7845 states and 11162 transitions. [2023-11-23 21:11:34,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:34,263 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 [2023-11-23 21:11:34,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:34,301 INFO L225 Difference]: With dead ends: 7845 [2023-11-23 21:11:34,301 INFO L226 Difference]: Without dead ends: 3553 [2023-11-23 21:11:34,327 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 [2023-11-23 21:11:34,329 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 936 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:34,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [936 Valid, 5500 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 849 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2023-11-23 21:11:34,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states. [2023-11-23 21:11:34,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 3527. [2023-11-23 21:11:34,529 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) [2023-11-23 21:11:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4931 transitions. [2023-11-23 21:11:34,556 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4931 transitions. Word has length 102 [2023-11-23 21:11:34,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:34,557 INFO L495 AbstractCegarLoop]: Abstraction has 3527 states and 4931 transitions. [2023-11-23 21:11:34,557 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) [2023-11-23 21:11:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4931 transitions. [2023-11-23 21:11:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:11:34,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:34,561 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] [2023-11-23 21:11:34,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:11:34,561 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)] === [2023-11-23 21:11:34,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:34,572 INFO L85 PathProgramCache]: Analyzing trace with hash -469263408, now seen corresponding path program 1 times [2023-11-23 21:11:34,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:34,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169721637] [2023-11-23 21:11:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:11:34,992 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:34,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169721637] [2023-11-23 21:11:34,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169721637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:34,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:34,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:34,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637278818] [2023-11-23 21:11:34,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:34,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:34,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:34,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:34,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:34,997 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) [2023-11-23 21:11:39,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:39,352 INFO L93 Difference]: Finished difference Result 9555 states and 13388 transitions. [2023-11-23 21:11:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:39,352 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 [2023-11-23 21:11:39,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:39,406 INFO L225 Difference]: With dead ends: 9555 [2023-11-23 21:11:39,407 INFO L226 Difference]: Without dead ends: 6045 [2023-11-23 21:11:39,425 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 [2023-11-23 21:11:39,426 INFO L413 NwaCegarLoop]: 3180 mSDtfsCounter, 3042 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 5739 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:39,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 5739 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-23 21:11:39,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2023-11-23 21:11:39,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 6017. [2023-11-23 21:11:39,809 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) [2023-11-23 21:11:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6017 states to 6017 states and 8436 transitions. [2023-11-23 21:11:39,851 INFO L78 Accepts]: Start accepts. Automaton has 6017 states and 8436 transitions. Word has length 105 [2023-11-23 21:11:39,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:11:39,854 INFO L495 AbstractCegarLoop]: Abstraction has 6017 states and 8436 transitions. [2023-11-23 21:11:39,855 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) [2023-11-23 21:11:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 6017 states and 8436 transitions. [2023-11-23 21:11:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 21:11:39,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:39,864 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] [2023-11-23 21:11:39,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:11:39,864 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)] === [2023-11-23 21:11:39,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:39,866 INFO L85 PathProgramCache]: Analyzing trace with hash 673087817, now seen corresponding path program 1 times [2023-11-23 21:11:39,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:39,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894947970] [2023-11-23 21:11:39,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:39,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:40,114 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:11:40,114 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:40,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894947970] [2023-11-23 21:11:40,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894947970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:40,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:40,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:11:40,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422268716] [2023-11-23 21:11:40,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:40,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:11:40,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:40,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:11:40,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:11:40,121 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) [2023-11-23 21:11:43,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:11:43,797 INFO L93 Difference]: Finished difference Result 15500 states and 21816 transitions. [2023-11-23 21:11:43,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:11:43,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (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) Word has length 117 [2023-11-23 21:11:43,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:11:43,885 INFO L225 Difference]: With dead ends: 15500 [2023-11-23 21:11:43,886 INFO L226 Difference]: Without dead ends: 9500 [2023-11-23 21:11:43,917 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 [2023-11-23 21:11:43,918 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 2755 mSDsluCounter, 2703 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 5488 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:11:43,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 5488 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-11-23 21:11:43,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9500 states.