./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 30e01a73 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_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:37,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:38,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:14:38,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:38,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:38,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:38,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:38,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:38,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:38,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:38,106 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:38,106 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:38,107 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:38,109 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:38,109 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:38,110 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:38,111 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:38,111 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:38,112 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:38,112 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:38,113 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:38,114 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:38,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:38,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:38,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:38,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:38,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:38,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:38,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:38,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:38,121 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:38,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:38,122 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:38,122 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:38,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:38,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:38,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:38,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:38,124 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:38,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:38,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:38,125 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:38,125 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:38,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:38,126 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_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a [2023-11-23 21:14:38,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:38,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:38,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:38,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:38,529 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:38,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:14:41,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:42,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:42,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:14:42,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/data/7244cd420/db7d8799faec4d7db2b59b35652a1060/FLAGd705a79cf [2023-11-23 21:14:42,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/data/7244cd420/db7d8799faec4d7db2b59b35652a1060 [2023-11-23 21:14:42,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:42,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:42,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:42,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:42,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:42,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffff739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:42, skipping insertion in model container [2023-11-23 21:14:42,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:42" (1/1) ... [2023-11-23 21:14:42,666 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:45,714 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_bc05c4f5-d679-45bf-91b6-91c97186e179/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] [2023-11-23 21:14:45,719 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_bc05c4f5-d679-45bf-91b6-91c97186e179/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] [2023-11-23 21:14:45,719 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_bc05c4f5-d679-45bf-91b6-91c97186e179/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] [2023-11-23 21:14:45,720 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_bc05c4f5-d679-45bf-91b6-91c97186e179/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] [2023-11-23 21:14:45,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:45,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:46,010 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] [2023-11-23 21:14:46,012 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] [2023-11-23 21:14:46,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5296] [2023-11-23 21:14:46,020 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] [2023-11-23 21:14:46,021 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] [2023-11-23 21:14:46,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5476] [2023-11-23 21:14:46,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5484] [2023-11-23 21:14:46,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5491] [2023-11-23 21:14:46,034 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] [2023-11-23 21:14:46,040 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] [2023-11-23 21:14:46,042 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] [2023-11-23 21:14:46,043 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] [2023-11-23 21:14:46,044 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] [2023-11-23 21:14:46,048 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] [2023-11-23 21:14:46,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6743] [2023-11-23 21:14:46,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7514] [2023-11-23 21:14:46,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7524] [2023-11-23 21:14:46,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7539] [2023-11-23 21:14:46,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8325] [2023-11-23 21:14:46,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8358] [2023-11-23 21:14:46,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8381] [2023-11-23 21:14:46,151 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8622] [2023-11-23 21:14:46,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8652] [2023-11-23 21:14:46,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8665] [2023-11-23 21:14:46,273 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_bc05c4f5-d679-45bf-91b6-91c97186e179/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] [2023-11-23 21:14:46,274 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_bc05c4f5-d679-45bf-91b6-91c97186e179/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] [2023-11-23 21:14:46,275 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_bc05c4f5-d679-45bf-91b6-91c97186e179/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] [2023-11-23 21:14:46,275 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_bc05c4f5-d679-45bf-91b6-91c97186e179/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] [2023-11-23 21:14:46,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:46,530 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:46,530 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:46,538 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:46,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46 WrapperNode [2023-11-23 21:14:46,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:46,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:46,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:46,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:46,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:46,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:46,967 INFO L138 Inliner]: procedures = 447, calls = 2176, calls flagged for inlining = 218, calls inlined = 201, statements flattened = 6123 [2023-11-23 21:14:46,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:46,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:46,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:46,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:46,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:46,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:47,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:47,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:47,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:47,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:47,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:47,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:47,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:47,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:47,422 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:47,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:47,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (1/1) ... [2023-11-23 21:14:47,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:47,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:47,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:47,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc05c4f5-d679-45bf-91b6-91c97186e179/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-23 21:14:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-23 21:14:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-23 21:14:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-23 21:14:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-23 21:14:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:14:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:14:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:14:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:14:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-23 21:14:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-23 21:14:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-23 21:14:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-23 21:14:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-23 21:14:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-23 21:14:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:14:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:14:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-23 21:14:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-23 21:14:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:14:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:14:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 21:14:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 21:14:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:14:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:14:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-23 21:14:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-23 21:14:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:14:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:14:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-23 21:14:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-23 21:14:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-23 21:14:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-23 21:14:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-23 21:14:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-23 21:14:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-23 21:14:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-23 21:14:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-23 21:14:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-23 21:14:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:14:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:14:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:14:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-23 21:14:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-23 21:14:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-23 21:14:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-23 21:14:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-23 21:14:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-23 21:14:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:14:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:14:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:14:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:14:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:14:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:14:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-23 21:14:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-23 21:14:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:14:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:14:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:14:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:14:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:14:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:14:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:14:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:14:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:14:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:14:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:14:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:14:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:14:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:14:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:14:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:14:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:14:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-23 21:14:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-23 21:14:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-23 21:14:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-23 21:14:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:14:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:14:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:14:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:14:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:14:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:14:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:14:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-23 21:14:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-23 21:14:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-23 21:14:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-23 21:14:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-23 21:14:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-23 21:14:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:14:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:14:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:14:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:14:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:14:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:14:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:14:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:14:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:14:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-23 21:14:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-23 21:14:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-23 21:14:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:14:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:14:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-23 21:14:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-23 21:14:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-23 21:14:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-23 21:14:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-23 21:14:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-23 21:14:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-23 21:14:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-23 21:14:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-23 21:14:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-23 21:14:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 21:14:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 21:14:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:14:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-23 21:14:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-23 21:14:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:14:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:14:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:14:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:14:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-23 21:14:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:14:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-23 21:14:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-23 21:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:14:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-23 21:14:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-23 21:14:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:14:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:14:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:14:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 21:14:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-23 21:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-23 21:14:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-23 21:14:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:14:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 21:14:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 21:14:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:14:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:14:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:14:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:14:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-23 21:14:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-23 21:14:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-23 21:14:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:14:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:14:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:14:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:14:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 21:14:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 21:14:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-23 21:14:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-23 21:14:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2023-11-23 21:14:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2023-11-23 21:14:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-23 21:14:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-23 21:14:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-23 21:14:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-23 21:14:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:14:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:14:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-23 21:14:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-23 21:14:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:14:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:14:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:14:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-23 21:14:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-23 21:14:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2023-11-23 21:14:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2023-11-23 21:14:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:14:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:14:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:14:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-23 21:14:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-23 21:14:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-23 21:14:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-23 21:14:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-23 21:14:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:47,603 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-23 21:14:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-23 21:14:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:14:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:14:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-23 21:14:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-23 21:14:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-23 21:14:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-23 21:14:48,491 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:48,495 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:49,269 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:14:53,403 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:14:53,720 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:57,509 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:57,509 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:57,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:57 BoogieIcfgContainer [2023-11-23 21:14:57,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:57,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:57,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:57,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:57,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:42" (1/3) ... [2023-11-23 21:14:57,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2b0b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:57, skipping insertion in model container [2023-11-23 21:14:57,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:46" (2/3) ... [2023-11-23 21:14:57,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2b0b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:57, skipping insertion in model container [2023-11-23 21:14:57,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:57" (3/3) ... [2023-11-23 21:14:57,523 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-23 21:14:57,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:57,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:14:57,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:57,642 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;@1662b39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:57,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:14:57,654 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) [2023-11-23 21:14:57,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 21:14:57,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:57,675 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] [2023-11-23 21:14:57,676 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:14:57,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:57,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1303932933, now seen corresponding path program 1 times [2023-11-23 21:14:57,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:57,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354195163] [2023-11-23 21:14:57,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:14:58,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354195163] [2023-11-23 21:14:58,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354195163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:58,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:58,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:58,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746917401] [2023-11-23 21:14:58,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:58,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:58,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:58,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:58,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:58,704 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) [2023-11-23 21:15:04,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:04,068 INFO L93 Difference]: Finished difference Result 5177 states and 7790 transitions. [2023-11-23 21:15:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:04,071 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 [2023-11-23 21:15:04,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:04,135 INFO L225 Difference]: With dead ends: 5177 [2023-11-23 21:15:04,135 INFO L226 Difference]: Without dead ends: 3421 [2023-11-23 21:15:04,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:04,162 INFO L413 NwaCegarLoop]: 2284 mSDtfsCounter, 2497 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 4.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:04,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2497 Valid, 4522 Invalid, 692 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-23 21:15:04,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2023-11-23 21:15:04,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 3417. [2023-11-23 21:15:04,611 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) [2023-11-23 21:15:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 5058 transitions. [2023-11-23 21:15:04,663 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 5058 transitions. Word has length 101 [2023-11-23 21:15:04,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:04,667 INFO L495 AbstractCegarLoop]: Abstraction has 3417 states and 5058 transitions. [2023-11-23 21:15:04,667 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) [2023-11-23 21:15:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 5058 transitions. [2023-11-23 21:15:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:15:04,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:04,681 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] [2023-11-23 21:15:04,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:15:04,682 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:15:04,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1763652128, now seen corresponding path program 1 times [2023-11-23 21:15:04,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:04,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25031290] [2023-11-23 21:15:04,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:05,272 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:15:05,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:05,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25031290] [2023-11-23 21:15:05,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25031290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:05,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:05,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:05,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727646646] [2023-11-23 21:15:05,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:05,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:05,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:05,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:05,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:05,280 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) [2023-11-23 21:15:08,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:10,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:10,248 INFO L93 Difference]: Finished difference Result 9381 states and 13844 transitions. [2023-11-23 21:15:10,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:10,249 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 [2023-11-23 21:15:10,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:10,309 INFO L225 Difference]: With dead ends: 9381 [2023-11-23 21:15:10,310 INFO L226 Difference]: Without dead ends: 5981 [2023-11-23 21:15:10,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:10,336 INFO L413 NwaCegarLoop]: 2494 mSDtfsCounter, 2320 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 4371 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:10,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 4371 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-23 21:15:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5981 states. [2023-11-23 21:15:10,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5981 to 5949. [2023-11-23 21:15:10,764 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) [2023-11-23 21:15:10,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 8768 transitions. [2023-11-23 21:15:10,813 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 8768 transitions. Word has length 103 [2023-11-23 21:15:10,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:10,814 INFO L495 AbstractCegarLoop]: Abstraction has 5949 states and 8768 transitions. [2023-11-23 21:15:10,814 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) [2023-11-23 21:15:10,814 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 8768 transitions. [2023-11-23 21:15:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:15:10,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:10,820 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:10,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:15:10,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:15:10,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:10,821 INFO L85 PathProgramCache]: Analyzing trace with hash -730476862, now seen corresponding path program 1 times [2023-11-23 21:15:10,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:10,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623861830] [2023-11-23 21:15:10,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:10,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:15:11,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:11,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623861830] [2023-11-23 21:15:11,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623861830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:11,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:11,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:11,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323969537] [2023-11-23 21:15:11,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:11,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:11,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:11,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:11,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:11,184 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) [2023-11-23 21:15:16,074 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 [] [2023-11-23 21:15:16,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:16,944 INFO L93 Difference]: Finished difference Result 17099 states and 25158 transitions. [2023-11-23 21:15:16,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:16,945 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 [2023-11-23 21:15:16,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:17,077 INFO L225 Difference]: With dead ends: 17099 [2023-11-23 21:15:17,078 INFO L226 Difference]: Without dead ends: 11167 [2023-11-23 21:15:17,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:17,130 INFO L413 NwaCegarLoop]: 2326 mSDtfsCounter, 2303 mSDsluCounter, 2200 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2303 SdHoareTripleChecker+Valid, 4526 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:17,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2303 Valid, 4526 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-23 21:15:17,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11167 states. [2023-11-23 21:15:18,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11167 to 11135. [2023-11-23 21:15:18,335 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) [2023-11-23 21:15:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11135 states to 11135 states and 16354 transitions. [2023-11-23 21:15:18,425 INFO L78 Accepts]: Start accepts. Automaton has 11135 states and 16354 transitions. Word has length 105 [2023-11-23 21:15:18,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:18,427 INFO L495 AbstractCegarLoop]: Abstraction has 11135 states and 16354 transitions. [2023-11-23 21:15:18,428 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) [2023-11-23 21:15:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 11135 states and 16354 transitions. [2023-11-23 21:15:18,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-23 21:15:18,436 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:18,436 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] [2023-11-23 21:15:18,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:15:18,437 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:15:18,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:18,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2035584504, now seen corresponding path program 1 times [2023-11-23 21:15:18,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:18,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804984848] [2023-11-23 21:15:18,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:18,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-23 21:15:18,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:18,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804984848] [2023-11-23 21:15:18,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804984848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:18,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:18,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:15:18,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722211681] [2023-11-23 21:15:18,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:18,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:18,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:18,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:18,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:18,900 INFO L87 Difference]: Start difference. First operand 11135 states and 16354 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-23 21:15:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:24,122 INFO L93 Difference]: Finished difference Result 22230 states and 32586 transitions. [2023-11-23 21:15:24,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:24,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110 [2023-11-23 21:15:24,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:24,226 INFO L225 Difference]: With dead ends: 22230 [2023-11-23 21:15:24,226 INFO L226 Difference]: Without dead ends: 11112 [2023-11-23 21:15:24,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:24,308 INFO L413 NwaCegarLoop]: 2604 mSDtfsCounter, 1971 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 4818 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:24,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 4818 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-23 21:15:24,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11112 states.