./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-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:48:14,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:48:14,731 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:48:14,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:48:14,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:48:14,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:48:14,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:48:14,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:48:14,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:48:14,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:48:14,767 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:48:14,767 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:48:14,768 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:48:14,768 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:48:14,769 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:48:14,770 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:48:14,770 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:48:14,771 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:48:14,772 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:48:14,772 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:48:14,773 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:48:14,778 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:48:14,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:48:14,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:48:14,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:48:14,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:48:14,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:48:14,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:48:14,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:48:14,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:48:14,783 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:48:14,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:48:14,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:48:14,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:14,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:48:14,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:48:14,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:48:14,787 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:48:14,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:48:14,788 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:48:14,789 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:48:14,790 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:48:14,790 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_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a [2023-11-19 04:48:15,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:48:15,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:48:15,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:48:15,058 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:48:15,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:48:15,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 04:48:18,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:48:19,017 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:48:19,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 04:48:19,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/data/90643ab37/c9baa41ad7f749e891740d5209683d74/FLAG8810ec8e7 [2023-11-19 04:48:19,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/data/90643ab37/c9baa41ad7f749e891740d5209683d74 [2023-11-19 04:48:19,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:48:19,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:48:19,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:19,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:48:19,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:48:19,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:19" (1/1) ... [2023-11-19 04:48:19,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb1da15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:19, skipping insertion in model container [2023-11-19 04:48:19,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:48:19" (1/1) ... [2023-11-19 04:48:19,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:48:22,550 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_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2023-11-19 04:48:22,555 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_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347481,347494] [2023-11-19 04:48:22,556 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_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347648,347661] [2023-11-19 04:48:22,557 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_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347816,347829] [2023-11-19 04:48:22,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:22,631 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:48:22,797 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"); [5282] [2023-11-19 04:48:22,800 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)); [5289] [2023-11-19 04:48:22,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5296] [2023-11-19 04:48:22,804 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)); [5351-5352] [2023-11-19 04:48:22,804 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"); [5357-5359] [2023-11-19 04:48:22,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5476] [2023-11-19 04:48:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5484] [2023-11-19 04:48:22,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5491] [2023-11-19 04:48:22,818 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)); [5619-5620] [2023-11-19 04:48:22,821 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)); [5653-5654] [2023-11-19 04:48:22,823 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)); [5694-5695] [2023-11-19 04:48:22,824 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)); [5723-5724] [2023-11-19 04:48:22,826 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" (103), "i" (12UL)); [5760-5761] [2023-11-19 04:48:22,828 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" (115), "i" (12UL)); [5797-5798] [2023-11-19 04:48:22,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6743] [2023-11-19 04:48:22,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7514] [2023-11-19 04:48:22,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7524] [2023-11-19 04:48:22,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7539] [2023-11-19 04:48:22,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8325] [2023-11-19 04:48:22,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8358] [2023-11-19 04:48:22,975 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8381] [2023-11-19 04:48:22,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8622] [2023-11-19 04:48:22,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8652] [2023-11-19 04:48:22,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8665] [2023-11-19 04:48:23,174 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_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2023-11-19 04:48:23,175 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347481,347494] [2023-11-19 04:48:23,176 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347648,347661] [2023-11-19 04:48:23,176 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347816,347829] [2023-11-19 04:48:23,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:48:23,420 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:48:23,420 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:48:23,429 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:48:23,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23 WrapperNode [2023-11-19 04:48:23,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:48:23,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:23,432 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:48:23,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:48:23,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:23,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:23,877 INFO L138 Inliner]: procedures = 447, calls = 2176, calls flagged for inlining = 218, calls inlined = 201, statements flattened = 6123 [2023-11-19 04:48:23,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:48:23,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:48:23,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:48:23,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:48:23,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:23,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:23,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:23,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:24,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:24,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:24,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:24,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:24,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:48:24,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:48:24,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:48:24,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:48:24,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (1/1) ... [2023-11-19 04:48:24,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:48:24,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:48:24,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:48:24,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1170651-b418-4559-96ae-c8498780ae51/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:48:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 04:48:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-19 04:48:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-19 04:48:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-19 04:48:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-19 04:48:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 04:48:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 04:48:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:48:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:48:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-19 04:48:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-19 04:48:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-19 04:48:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-19 04:48:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-19 04:48:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-19 04:48:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:48:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:48:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-19 04:48:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-19 04:48:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:48:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:48:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 04:48:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 04:48:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:48:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 04:48:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-19 04:48:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-19 04:48:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:48:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:48:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-19 04:48:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-19 04:48:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-19 04:48:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-19 04:48:24,391 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-19 04:48:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-19 04:48:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-19 04:48:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-19 04:48:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-19 04:48:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-19 04:48:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:48:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 04:48:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 04:48:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:48:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:48:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 04:48:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 04:48:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-19 04:48:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-19 04:48:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:48:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:48:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:48:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:48:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:48:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 04:48:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 04:48:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-19 04:48:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-19 04:48:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:48:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:48:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:48:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:48:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:48:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:48:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 04:48:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 04:48:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:48:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:48:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:48:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 04:48:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 04:48:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 04:48:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 04:48:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 04:48:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 04:48:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-19 04:48:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-19 04:48:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-19 04:48:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-19 04:48:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:48:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 04:48:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:48:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 04:48:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 04:48:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 04:48:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 04:48:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-19 04:48:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-19 04:48:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-19 04:48:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-19 04:48:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:48:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-19 04:48:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-19 04:48:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 04:48:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 04:48:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:48:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:48:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:48:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:48:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:48:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:48:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 04:48:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:48:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:48:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-19 04:48:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-19 04:48:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:48:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:48:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 04:48:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 04:48:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 04:48:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 04:48:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 04:48:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 04:48:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-19 04:48:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-19 04:48:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:48:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:48:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-19 04:48:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-19 04:48:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-19 04:48:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-19 04:48:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:48:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-19 04:48:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-19 04:48:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:48:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:48:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:48:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:48:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-19 04:48:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:48:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 04:48:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 04:48:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 04:48:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 04:48:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 04:48:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-19 04:48:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-19 04:48:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:48:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:48:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:48:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:48:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 04:48:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 04:48:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-19 04:48:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-19 04:48:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-19 04:48:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-19 04:48:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:48:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:48:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:48:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:48:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:48:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:48:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:48:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:48:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-19 04:48:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-19 04:48:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-19 04:48:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:48:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:48:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 04:48:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 04:48:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 04:48:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 04:48:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-19 04:48:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-19 04:48:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2023-11-19 04:48:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2023-11-19 04:48:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-19 04:48:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-19 04:48:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 04:48:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 04:48:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:48:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:48:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-19 04:48:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-19 04:48:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:48:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:48:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:48:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-19 04:48:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-19 04:48:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2023-11-19 04:48:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2023-11-19 04:48:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 04:48:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 04:48:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:48:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-19 04:48:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-19 04:48:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-19 04:48:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 04:48:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 04:48:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:48:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-19 04:48:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-19 04:48:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 04:48:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 04:48:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-19 04:48:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-19 04:48:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-19 04:48:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-19 04:48:25,270 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:48:25,275 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:48:26,284 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:48:32,203 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 04:48:32,498 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:48:36,737 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:48:36,738 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:48:36,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:36 BoogieIcfgContainer [2023-11-19 04:48:36,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:48:36,762 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:48:36,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:48:36,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:48:36,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:48:19" (1/3) ... [2023-11-19 04:48:36,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd492ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:36, skipping insertion in model container [2023-11-19 04:48:36,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:48:23" (2/3) ... [2023-11-19 04:48:36,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd492ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:48:36, skipping insertion in model container [2023-11-19 04:48:36,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:48:36" (3/3) ... [2023-11-19 04:48:36,772 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-19 04:48:36,796 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:48:36,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 04:48:36,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:48:36,937 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;@2a1fa3ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:48:36,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 04:48:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 1763 states, 1034 states have (on average 1.3056092843326885) internal successors, (1350), 1070 states have internal predecessors, (1350), 636 states have call successors, (636), 91 states have call predecessors, (636), 90 states have return successors, (630), 619 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-19 04:48:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 04:48:36,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:36,992 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] [2023-11-19 04:48:36,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 04:48:37,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:37,002 INFO L85 PathProgramCache]: Analyzing trace with hash -681480838, now seen corresponding path program 1 times [2023-11-19 04:48:37,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:37,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695377534] [2023-11-19 04:48:37,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:37,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:48:37,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:48:37,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695377534] [2023-11-19 04:48:37,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695377534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:37,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:37,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:48:37,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080356222] [2023-11-19 04:48:37,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:37,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:48:37,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:48:38,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:48:38,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:38,024 INFO L87 Difference]: Start difference. First operand has 1763 states, 1034 states have (on average 1.3056092843326885) internal successors, (1350), 1070 states have internal predecessors, (1350), 636 states have call successors, (636), 91 states have call predecessors, (636), 90 states have return successors, (630), 619 states have call predecessors, (630), 630 states have call successors, (630) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 04:48:42,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:42,980 INFO L93 Difference]: Finished difference Result 5177 states and 7790 transitions. [2023-11-19 04:48:42,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:48:42,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 101 [2023-11-19 04:48:42,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:43,058 INFO L225 Difference]: With dead ends: 5177 [2023-11-19 04:48:43,058 INFO L226 Difference]: Without dead ends: 3421 [2023-11-19 04:48:43,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:43,101 INFO L413 NwaCegarLoop]: 2284 mSDtfsCounter, 2497 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2497 SdHoareTripleChecker+Valid, 4522 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:43,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 4522 Invalid, 692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-11-19 04:48:43,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2023-11-19 04:48:43,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 3417. [2023-11-19 04:48:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3417 states, 2019 states have (on average 1.2996532937097574) internal successors, (2624), 2090 states have internal predecessors, (2624), 1219 states have call successors, (1219), 177 states have call predecessors, (1219), 176 states have return successors, (1215), 1193 states have call predecessors, (1215), 1215 states have call successors, (1215) [2023-11-19 04:48:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 5058 transitions. [2023-11-19 04:48:43,606 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 5058 transitions. Word has length 101 [2023-11-19 04:48:43,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:48:43,609 INFO L495 AbstractCegarLoop]: Abstraction has 3417 states and 5058 transitions. [2023-11-19 04:48:43,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 04:48:43,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 5058 transitions. [2023-11-19 04:48:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:48:43,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:43,620 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] [2023-11-19 04:48:43,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:48:43,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 04:48:43,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:43,622 INFO L85 PathProgramCache]: Analyzing trace with hash 976226596, now seen corresponding path program 1 times [2023-11-19 04:48:43,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:43,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839028381] [2023-11-19 04:48:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:43,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:48:44,021 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:48:44,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839028381] [2023-11-19 04:48:44,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839028381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:44,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:44,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:48:44,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123097739] [2023-11-19 04:48:44,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:44,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:48:44,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:48:44,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:48:44,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:44,025 INFO L87 Difference]: Start difference. First operand 3417 states and 5058 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 04:48:48,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:49,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:49,457 INFO L93 Difference]: Finished difference Result 9381 states and 13844 transitions. [2023-11-19 04:48:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:48:49,459 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 103 [2023-11-19 04:48:49,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:49,527 INFO L225 Difference]: With dead ends: 9381 [2023-11-19 04:48:49,527 INFO L226 Difference]: Without dead ends: 5981 [2023-11-19 04:48:49,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:49,558 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 2322 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 4369 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:49,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 4369 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 669 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2023-11-19 04:48:49,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5981 states. [2023-11-19 04:48:50,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5981 to 5949. [2023-11-19 04:48:50,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5949 states, 3543 states have (on average 1.3045441716059836) internal successors, (4622), 3675 states have internal predecessors, (4622), 2070 states have call successors, (2070), 344 states have call predecessors, (2070), 333 states have return successors, (2076), 2001 states have call predecessors, (2076), 2066 states have call successors, (2076) [2023-11-19 04:48:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 8768 transitions. [2023-11-19 04:48:50,255 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 8768 transitions. Word has length 103 [2023-11-19 04:48:50,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:48:50,256 INFO L495 AbstractCegarLoop]: Abstraction has 5949 states and 8768 transitions. [2023-11-19 04:48:50,256 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 04:48:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 8768 transitions. [2023-11-19 04:48:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 04:48:50,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:50,261 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:48:50,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:48:50,262 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 04:48:50,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:50,273 INFO L85 PathProgramCache]: Analyzing trace with hash -814051136, now seen corresponding path program 1 times [2023-11-19 04:48:50,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:48:50,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685287741] [2023-11-19 04:48:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:50,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:48:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:48:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:48:50,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:48:50,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685287741] [2023-11-19 04:48:50,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685287741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:48:50,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:48:50,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:48:50,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226729146] [2023-11-19 04:48:50,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:48:50,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:48:50,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:48:50,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:48:50,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:50,734 INFO L87 Difference]: Start difference. First operand 5949 states and 8768 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 04:48:53,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:57,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:58,854 INFO L93 Difference]: Finished difference Result 17099 states and 25158 transitions. [2023-11-19 04:48:58,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:48:58,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 105 [2023-11-19 04:48:58,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:58,966 INFO L225 Difference]: With dead ends: 17099 [2023-11-19 04:48:58,966 INFO L226 Difference]: Without dead ends: 11167 [2023-11-19 04:48:59,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:48:59,016 INFO L413 NwaCegarLoop]: 2326 mSDtfsCounter, 2303 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2303 SdHoareTripleChecker+Valid, 4526 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:59,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2303 Valid, 4526 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 712 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2023-11-19 04:48:59,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11167 states. [2023-11-19 04:48:59,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11167 to 11135. [2023-11-19 04:48:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11135 states, 6643 states have (on average 1.3015203974108083) internal successors, (8646), 6893 states have internal predecessors, (8646), 3844 states have call successors, (3844), 668 states have call predecessors, (3844), 645 states have return successors, (3864), 3703 states have call predecessors, (3864), 3840 states have call successors, (3864) [2023-11-19 04:49:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11135 states to 11135 states and 16354 transitions. [2023-11-19 04:49:00,033 INFO L78 Accepts]: Start accepts. Automaton has 11135 states and 16354 transitions. Word has length 105 [2023-11-19 04:49:00,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:49:00,035 INFO L495 AbstractCegarLoop]: Abstraction has 11135 states and 16354 transitions. [2023-11-19 04:49:00,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 04:49:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 11135 states and 16354 transitions. [2023-11-19 04:49:00,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 04:49:00,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:49:00,041 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] [2023-11-19 04:49:00,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:49:00,041 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 04:49:00,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:49:00,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1234414261, now seen corresponding path program 1 times [2023-11-19 04:49:00,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:49:00,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84544166] [2023-11-19 04:49:00,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:49:00,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:49:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat