./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:44,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:44,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:56:44,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:44,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:44,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:44,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:44,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:44,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:44,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:44,776 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:44,777 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:44,777 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:44,779 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:56:44,780 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:44,780 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:44,781 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:56:44,781 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:56:44,782 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:44,782 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:56:44,782 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:56:44,783 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:56:44,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:44,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:44,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:56:44,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:44,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:44,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:44,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:44,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:44,789 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:44,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:44,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:44,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:44,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:44,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:44,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:44,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:44,802 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:56:44,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:56:44,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:44,803 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:44,804 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:44,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:44,805 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2023-11-24 23:56:45,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:45,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:45,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:45,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:45,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:45,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-24 23:56:48,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:56:49,236 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:56:49,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-24 23:56:49,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/data/d65982139/e3b24dc6aa9a445d98f228ed1eb2818a/FLAG65e480278 [2023-11-24 23:56:49,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/data/d65982139/e3b24dc6aa9a445d98f228ed1eb2818a [2023-11-24 23:56:49,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:56:49,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:56:49,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:49,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:56:49,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:56:49,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:49" (1/1) ... [2023-11-24 23:56:49,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f2e663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:49, skipping insertion in model container [2023-11-24 23:56:49,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:49" (1/1) ... [2023-11-24 23:56:49,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:56:53,852 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/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] [2023-11-24 23:56:53,857 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/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] [2023-11-24 23:56:53,859 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/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] [2023-11-24 23:56:53,864 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/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] [2023-11-24 23:56:53,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:53,965 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:56:54,124 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] [2023-11-24 23:56:54,126 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] [2023-11-24 23:56:54,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5609] [2023-11-24 23:56:54,129 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] [2023-11-24 23:56:54,129 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] [2023-11-24 23:56:54,130 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] [2023-11-24 23:56:54,130 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] [2023-11-24 23:56:54,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5850] [2023-11-24 23:56:54,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5857] [2023-11-24 23:56:54,140 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] [2023-11-24 23:56:54,142 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] [2023-11-24 23:56:54,143 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] [2023-11-24 23:56:54,146 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] [2023-11-24 23:56:54,156 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] [2023-11-24 23:56:54,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6452] [2023-11-24 23:56:54,249 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9125] [2023-11-24 23:56:54,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9187] [2023-11-24 23:56:54,260 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb->data) [9315] [2023-11-24 23:56:54,262 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)skb2->data) [9372] [2023-11-24 23:56:54,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9427] [2023-11-24 23:56:54,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9863] [2023-11-24 23:56:54,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9870] [2023-11-24 23:56:54,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9894] [2023-11-24 23:56:54,524 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/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] [2023-11-24 23:56:54,525 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/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] [2023-11-24 23:56:54,526 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/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] [2023-11-24 23:56:54,527 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_c09e5a5f-7095-4ce4-a055-ccdc957ad408/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] [2023-11-24 23:56:54,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:54,838 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:56:54,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54 WrapperNode [2023-11-24 23:56:54,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:54,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:54,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:56:54,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:56:54,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:54,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,335 INFO L138 Inliner]: procedures = 572, calls = 3092, calls flagged for inlining = 288, calls inlined = 256, statements flattened = 8057 [2023-11-24 23:56:55,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:55,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:56:55,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:56:55,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:56:55,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:56:55,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:56:55,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:56:55,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:56:55,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (1/1) ... [2023-11-24 23:56:55,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:55,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:55,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:56:55,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c09e5a5f-7095-4ce4-a055-ccdc957ad408/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:56:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2023-11-24 23:56:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2023-11-24 23:56:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-24 23:56:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2023-11-24 23:56:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-24 23:56:55,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-24 23:56:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:56:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:56:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:56:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:56:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-24 23:56:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-24 23:56:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2023-11-24 23:56:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2023-11-24 23:56:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:56:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:56:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:56:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:56:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-24 23:56:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-24 23:56:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:56:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:56:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2023-11-24 23:56:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2023-11-24 23:56:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2023-11-24 23:56:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2023-11-24 23:56:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:56:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:56:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-24 23:56:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-24 23:56:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-24 23:56:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-24 23:56:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2023-11-24 23:56:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2023-11-24 23:56:55,955 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2023-11-24 23:56:55,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2023-11-24 23:56:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:56:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:56:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-24 23:56:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-24 23:56:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:56:55,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:56:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-11-24 23:56:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-11-24 23:56:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2023-11-24 23:56:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2023-11-24 23:56:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:56:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:56:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2023-11-24 23:56:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2023-11-24 23:56:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:56:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:56:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:56:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:56:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2023-11-24 23:56:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2023-11-24 23:56:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:56:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:56:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:56:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:56:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:56:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:56:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:56:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-24 23:56:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-24 23:56:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2023-11-24 23:56:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2023-11-24 23:56:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2023-11-24 23:56:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2023-11-24 23:56:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:56:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:56:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-24 23:56:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-24 23:56:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2023-11-24 23:56:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2023-11-24 23:56:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:56:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:56:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:56:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:56:55,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:56:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:56:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:56:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:56:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2023-11-24 23:56:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2023-11-24 23:56:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:56:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:56:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:56:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:56:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:56:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:56:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:56:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:56:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:56:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:56:55,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:56:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2023-11-24 23:56:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2023-11-24 23:56:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-24 23:56:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-24 23:56:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-24 23:56:55,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2023-11-24 23:56:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2023-11-24 23:56:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2023-11-24 23:56:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:56:55,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:56:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2023-11-24 23:56:55,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2023-11-24 23:56:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2023-11-24 23:56:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2023-11-24 23:56:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:56:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:56:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2023-11-24 23:56:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2023-11-24 23:56:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:56:55,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2023-11-24 23:56:55,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2023-11-24 23:56:55,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:56:55,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:56:55,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:56:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:56:55,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:56:55,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:56:55,977 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2023-11-24 23:56:55,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2023-11-24 23:56:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2023-11-24 23:56:55,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2023-11-24 23:56:55,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:56:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2023-11-24 23:56:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2023-11-24 23:56:55,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:56:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:56:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:56:55,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:56:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:56:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2023-11-24 23:56:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2023-11-24 23:56:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:56:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:56:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2023-11-24 23:56:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2023-11-24 23:56:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:56:55,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:56:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-24 23:56:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-24 23:56:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:56:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:56:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2023-11-24 23:56:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2023-11-24 23:56:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:56:55,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:56:55,986 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-24 23:56:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-24 23:56:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-24 23:56:55,987 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-24 23:56:55,987 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:56:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:56:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2023-11-24 23:56:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2023-11-24 23:56:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-24 23:56:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-24 23:56:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-24 23:56:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-24 23:56:55,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2023-11-24 23:56:55,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2023-11-24 23:56:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-24 23:56:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-24 23:56:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-24 23:56:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-24 23:56:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-24 23:56:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-24 23:56:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:56:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:56:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2023-11-24 23:56:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2023-11-24 23:56:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-24 23:56:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-24 23:56:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2023-11-24 23:56:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2023-11-24 23:56:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:56:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:56:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:56:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:56:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-24 23:56:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-24 23:56:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:56:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:56:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-24 23:56:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-24 23:56:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2023-11-24 23:56:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2023-11-24 23:56:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-24 23:56:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-24 23:56:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-24 23:56:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-24 23:56:55,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:56:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:56:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2023-11-24 23:56:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2023-11-24 23:56:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:56:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:56:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2023-11-24 23:56:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2023-11-24 23:56:55,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-24 23:56:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-24 23:56:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2023-11-24 23:56:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2023-11-24 23:56:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:56:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:56:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-24 23:56:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-24 23:56:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-24 23:56:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-24 23:56:55,995 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2023-11-24 23:56:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2023-11-24 23:56:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:56:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:56:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-24 23:56:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-24 23:56:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:56:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-24 23:56:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-24 23:56:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:56:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:56:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:56:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:56:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:56:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-24 23:56:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-24 23:56:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-24 23:56:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2023-11-24 23:56:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2023-11-24 23:56:55,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:56:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:56:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:56:55,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:56:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-24 23:56:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-24 23:56:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2023-11-24 23:56:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2023-11-24 23:56:56,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:56:56,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:56:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:56:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:56:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2023-11-24 23:56:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2023-11-24 23:56:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2023-11-24 23:56:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2023-11-24 23:56:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:56:56,073 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:56:56,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2023-11-24 23:56:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2023-11-24 23:56:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2023-11-24 23:56:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2023-11-24 23:56:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-24 23:56:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-24 23:56:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:56:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:56:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2023-11-24 23:56:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2023-11-24 23:56:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2023-11-24 23:56:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2023-11-24 23:56:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:56:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:56:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2023-11-24 23:56:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2023-11-24 23:56:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:56:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:56:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:56:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2023-11-24 23:56:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2023-11-24 23:56:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2023-11-24 23:56:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2023-11-24 23:56:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-24 23:56:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-24 23:56:56,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2023-11-24 23:56:56,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2023-11-24 23:56:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-24 23:56:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-24 23:56:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2023-11-24 23:56:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2023-11-24 23:56:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2023-11-24 23:56:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2023-11-24 23:56:56,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:56:56,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:56:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-24 23:56:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-24 23:56:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-24 23:56:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-24 23:56:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-24 23:56:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2023-11-24 23:56:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-24 23:56:56,078 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-24 23:56:56,078 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-24 23:56:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:56:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2023-11-24 23:56:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2023-11-24 23:56:56,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:56:56,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:56:57,164 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:56:57,174 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:56:57,572 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:57:03,959 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:57:04,178 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:08,443 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:08,444 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:57:08,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:08 BoogieIcfgContainer [2023-11-24 23:57:08,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:08,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:08,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:08,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:08,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:56:49" (1/3) ... [2023-11-24 23:57:08,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253488c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:08, skipping insertion in model container [2023-11-24 23:57:08,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:54" (2/3) ... [2023-11-24 23:57:08,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253488c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:08, skipping insertion in model container [2023-11-24 23:57:08,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:08" (3/3) ... [2023-11-24 23:57:08,456 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2023-11-24 23:57:08,476 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:08,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:57:08,578 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:08,585 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;@4371b0f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:08,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:57:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 2208 states, 1254 states have (on average 1.2416267942583732) internal successors, (1557), 1301 states have internal predecessors, (1557), 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) [2023-11-24 23:57:08,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 23:57:08,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:08,617 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] [2023-11-24 23:57:08,618 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)] === [2023-11-24 23:57:08,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:08,623 INFO L85 PathProgramCache]: Analyzing trace with hash -885460570, now seen corresponding path program 1 times [2023-11-24 23:57:08,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:08,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701462855] [2023-11-24 23:57:08,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:08,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:09,609 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-24 23:57:09,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701462855] [2023-11-24 23:57:09,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701462855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:09,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:09,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:57:09,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268954958] [2023-11-24 23:57:09,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:09,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:57:09,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:09,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:57:09,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:09,676 INFO L87 Difference]: Start difference. First operand has 2208 states, 1254 states have (on average 1.2416267942583732) internal successors, (1557), 1301 states have internal predecessors, (1557), 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) [2023-11-24 23:57:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:13,831 INFO L93 Difference]: Finished difference Result 6530 states and 9541 transitions. [2023-11-24 23:57:13,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:57:13,834 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 [2023-11-24 23:57:13,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:13,914 INFO L225 Difference]: With dead ends: 6530 [2023-11-24 23:57:13,914 INFO L226 Difference]: Without dead ends: 4329 [2023-11-24 23:57:13,947 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 [2023-11-24 23:57:13,952 INFO L413 NwaCegarLoop]: 2791 mSDtfsCounter, 3085 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3085 SdHoareTripleChecker+Valid, 5542 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:13,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3085 Valid, 5542 Invalid, 791 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-24 23:57:13,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4329 states. [2023-11-24 23:57:14,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4329 to 4325. [2023-11-24 23:57:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4325 states, 2467 states have (on average 1.2379408188082692) internal successors, (3054), 2559 states have internal predecessors, (3054), 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) [2023-11-24 23:57:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 4325 states and 6207 transitions. [2023-11-24 23:57:14,422 INFO L78 Accepts]: Start accepts. Automaton has 4325 states and 6207 transitions. Word has length 97 [2023-11-24 23:57:14,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:14,423 INFO L495 AbstractCegarLoop]: Abstraction has 4325 states and 6207 transitions. [2023-11-24 23:57:14,423 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) [2023-11-24 23:57:14,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4325 states and 6207 transitions. [2023-11-24 23:57:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 23:57:14,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:14,431 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] [2023-11-24 23:57:14,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:57:14,431 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)] === [2023-11-24 23:57:14,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:14,432 INFO L85 PathProgramCache]: Analyzing trace with hash -926561538, now seen corresponding path program 1 times [2023-11-24 23:57:14,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:14,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322735405] [2023-11-24 23:57:14,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:14,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-24 23:57:15,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:15,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322735405] [2023-11-24 23:57:15,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322735405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:15,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:15,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:57:15,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900446567] [2023-11-24 23:57:15,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:15,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:57:15,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:15,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:57:15,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:15,078 INFO L87 Difference]: Start difference. First operand 4325 states and 6207 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) [2023-11-24 23:57:18,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:18,426 INFO L93 Difference]: Finished difference Result 7873 states and 11190 transitions. [2023-11-24 23:57:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:57:18,427 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 [2023-11-24 23:57:18,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:18,460 INFO L225 Difference]: With dead ends: 7873 [2023-11-24 23:57:18,461 INFO L226 Difference]: Without dead ends: 3565 [2023-11-24 23:57:18,487 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 [2023-11-24 23:57:18,488 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 938 mSDsluCounter, 2723 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 5516 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:18,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 5516 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-11-24 23:57:18,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3565 states. [2023-11-24 23:57:18,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3565 to 3539. [2023-11-24 23:57:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 2030 states have (on average 1.2315270935960592) internal successors, (2500), 2091 states have internal predecessors, (2500), 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) [2023-11-24 23:57:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4943 transitions. [2023-11-24 23:57:18,706 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4943 transitions. Word has length 102 [2023-11-24 23:57:18,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:18,707 INFO L495 AbstractCegarLoop]: Abstraction has 3539 states and 4943 transitions. [2023-11-24 23:57:18,708 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) [2023-11-24 23:57:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4943 transitions. [2023-11-24 23:57:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-24 23:57:18,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:18,712 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] [2023-11-24 23:57:18,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:57:18,712 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)] === [2023-11-24 23:57:18,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:18,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1463952940, now seen corresponding path program 1 times [2023-11-24 23:57:18,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:18,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396958855] [2023-11-24 23:57:18,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:18,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-24 23:57:19,172 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:19,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396958855] [2023-11-24 23:57:19,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396958855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:19,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:19,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:57:19,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820949339] [2023-11-24 23:57:19,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:19,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:57:19,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:19,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:57:19,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:19,177 INFO L87 Difference]: Start difference. First operand 3539 states and 4943 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) [2023-11-24 23:57:21,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:57:23,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:23,989 INFO L93 Difference]: Finished difference Result 9585 states and 13418 transitions. [2023-11-24 23:57:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:57:23,990 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 [2023-11-24 23:57:23,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:24,042 INFO L225 Difference]: With dead ends: 9585 [2023-11-24 23:57:24,043 INFO L226 Difference]: Without dead ends: 6063 [2023-11-24 23:57:24,060 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 [2023-11-24 23:57:24,065 INFO L413 NwaCegarLoop]: 3188 mSDtfsCounter, 3049 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 5754 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:24,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 5754 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-24 23:57:24,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6063 states. [2023-11-24 23:57:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6063 to 6035. [2023-11-24 23:57:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6035 states, 3476 states have (on average 1.2341772151898733) internal successors, (4290), 3587 states have internal predecessors, (4290), 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) [2023-11-24 23:57:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6035 states to 6035 states and 8454 transitions. [2023-11-24 23:57:24,469 INFO L78 Accepts]: Start accepts. Automaton has 6035 states and 8454 transitions. Word has length 105 [2023-11-24 23:57:24,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:24,471 INFO L495 AbstractCegarLoop]: Abstraction has 6035 states and 8454 transitions. [2023-11-24 23:57:24,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-24 23:57:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 6035 states and 8454 transitions. [2023-11-24 23:57:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-24 23:57:24,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:24,481 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] [2023-11-24 23:57:24,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 23:57:24,482 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)] === [2023-11-24 23:57:24,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:24,483 INFO L85 PathProgramCache]: Analyzing trace with hash 314017191, now seen corresponding path program 1 times [2023-11-24 23:57:24,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:24,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397399199] [2023-11-24 23:57:24,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:24,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:57:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-24 23:57:24,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:57:24,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397399199] [2023-11-24 23:57:24,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397399199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:24,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:24,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:57:24,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231278932] [2023-11-24 23:57:24,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:24,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:57:24,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:57:24,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:57:24,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:57:24,710 INFO L87 Difference]: Start difference. First operand 6035 states and 8454 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) [2023-11-24 23:57:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:28,438 INFO L93 Difference]: Finished difference Result 15551 states and 21867 transitions. [2023-11-24 23:57:28,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:57:28,438 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 [2023-11-24 23:57:28,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:28,546 INFO L225 Difference]: With dead ends: 15551 [2023-11-24 23:57:28,546 INFO L226 Difference]: Without dead ends: 9533 [2023-11-24 23:57:28,717 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 [2023-11-24 23:57:28,721 INFO L413 NwaCegarLoop]: 2793 mSDtfsCounter, 2763 mSDsluCounter, 2711 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2763 SdHoareTripleChecker+Valid, 5504 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:28,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2763 Valid, 5504 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:57:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9533 states. [2023-11-24 23:57:29,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9533 to 9504. [2023-11-24 23:57:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9504 states, 5469 states have (on average 1.228378131285427) internal successors, (6718), 5679 states have internal predecessors, (6718), 3310 states have call successors, (3310), 732 states have call predecessors, (3310), 722 states have return successors, (3347), 3215 states have call predecessors, (3347), 3307 states have call successors, (3347) [2023-11-24 23:57:29,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9504 states to 9504 states and 13375 transitions. [2023-11-24 23:57:29,330 INFO L78 Accepts]: Start accepts. Automaton has 9504 states and 13375 transitions. Word has length 117 [2023-11-24 23:57:29,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:29,331 INFO L495 AbstractCegarLoop]: Abstraction has 9504 states and 13375 transitions. [2023-11-24 23:57:29,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (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) [2023-11-24 23:57:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 9504 states and 13375 transitions. [2023-11-24 23:57:29,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-24 23:57:29,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:29,333 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 8, 8, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:29,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 23:57:29,334 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2023-11-24 23:57:29,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:29,334 INFO L85 PathProgramCache]: Analyzing trace with hash 17381180, now seen corresponding path program 1 times [2023-11-24 23:57:29,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:57:29,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982441467] [2023-11-24 23:57:29,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:29,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms