./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.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_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/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_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/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_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/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 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:00:23,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:00:23,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:00:23,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:00:23,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:00:23,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:00:23,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:00:23,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:00:23,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:00:23,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:00:23,546 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:00:23,547 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:00:23,547 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:00:23,548 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:00:23,549 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:00:23,550 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:00:23,550 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:00:23,551 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:00:23,552 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:00:23,552 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:00:23,553 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:00:23,554 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:00:23,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:00:23,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:00:23,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:00:23,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:00:23,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:00:23,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:00:23,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:00:23,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:00:23,560 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:00:23,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:00:23,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:00:23,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:00:23,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:00:23,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:00:23,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:00:23,563 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:00:23,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:00:23,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:00:23,564 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:00:23,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:00:23,565 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_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2023-11-19 05:00:23,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:00:24,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:00:24,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:00:24,028 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:00:24,029 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:00:24,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-19 05:00:27,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:00:28,067 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:00:28,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-19 05:00:28,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/data/11cfa083b/2d308f48e4454bb194429094c352d14b/FLAG246a8b7db [2023-11-19 05:00:28,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/data/11cfa083b/2d308f48e4454bb194429094c352d14b [2023-11-19 05:00:28,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:00:28,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:00:28,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:00:28,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:00:28,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:00:28,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:00:28" (1/1) ... [2023-11-19 05:00:28,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@423221a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:28, skipping insertion in model container [2023-11-19 05:00:28,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:00:28" (1/1) ... [2023-11-19 05:00:28,372 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:00:32,255 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_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2023-11-19 05:00:32,261 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_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2023-11-19 05:00:32,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:00:32,374 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:00:32,496 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"); [5254] [2023-11-19 05:00:32,498 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)); [5261] [2023-11-19 05:00:32,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2023-11-19 05:00:32,501 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/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5309-5310] [2023-11-19 05:00:32,501 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"); [5315-5317] [2023-11-19 05:00:32,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5463] [2023-11-19 05:00:32,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5471] [2023-11-19 05:00:32,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5478] [2023-11-19 05:00:32,507 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5485] [2023-11-19 05:00:32,513 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)); [5589-5590] [2023-11-19 05:00:32,515 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)); [5623-5624] [2023-11-19 05:00:32,517 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)); [5660-5661] [2023-11-19 05:00:32,518 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)); [5697-5698] [2023-11-19 05:00:32,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5957-5958] [2023-11-19 05:00:32,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5964] [2023-11-19 05:00:32,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8592] [2023-11-19 05:00:32,705 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)(& np->rx_skbuff) + ((unsigned long )np->cur_rx & 31UL)) [8748] [2023-11-19 05:00:32,769 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 *)"drivers/net/ethernet/natsemi/natsemi.c"), "i" (3315), "i" (12UL)); [10300-10301] [2023-11-19 05:00:32,858 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_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2023-11-19 05:00:32,858 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_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2023-11-19 05:00:32,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:00:33,144 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:00:33,144 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:00:33,152 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:00:33,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33 WrapperNode [2023-11-19 05:00:33,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:00:33,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:00:33,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:00:33,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:00:33,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:33,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:33,666 INFO L138 Inliner]: procedures = 510, calls = 2700, calls flagged for inlining = 247, calls inlined = 217, statements flattened = 6624 [2023-11-19 05:00:33,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:00:33,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:00:33,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:00:33,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:00:33,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:33,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:33,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:33,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:33,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:33,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:34,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:34,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:34,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:00:34,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:00:34,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:00:34,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:00:34,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (1/1) ... [2023-11-19 05:00:34,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:00:34,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:00:34,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:00:34,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daaeae9b-3c3f-4574-8129-c4ef3f2ff657/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:00:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2023-11-19 05:00:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2023-11-19 05:00:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 05:00:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 05:00:34,229 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 05:00:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2023-11-19 05:00:34,230 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2023-11-19 05:00:34,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 05:00:34,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 05:00:34,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:00:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:00:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 05:00:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 05:00:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2023-11-19 05:00:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2023-11-19 05:00:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-19 05:00:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-19 05:00:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 05:00:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 05:00:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:00:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:00:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2023-11-19 05:00:34,234 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2023-11-19 05:00:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_92 [2023-11-19 05:00:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_92 [2023-11-19 05:00:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 05:00:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 05:00:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2023-11-19 05:00:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2023-11-19 05:00:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 05:00:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 05:00:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 05:00:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 05:00:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 05:00:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 05:00:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 05:00:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 05:00:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 05:00:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 05:00:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:00:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 05:00:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 05:00:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:00:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:00:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 05:00:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 05:00:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:00:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:00:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:00:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:00:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-19 05:00:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-19 05:00:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 05:00:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 05:00:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-19 05:00:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-19 05:00:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:00:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-19 05:00:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-19 05:00:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-19 05:00:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-19 05:00:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2023-11-19 05:00:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2023-11-19 05:00:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-19 05:00:34,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-19 05:00:34,244 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2023-11-19 05:00:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2023-11-19 05:00:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 05:00:34,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 05:00:34,245 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2023-11-19 05:00:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2023-11-19 05:00:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2023-11-19 05:00:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2023-11-19 05:00:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:00:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 05:00:34,246 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 05:00:34,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-19 05:00:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-19 05:00:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2023-11-19 05:00:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2023-11-19 05:00:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:00:34,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:00:34,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:00:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:00:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 05:00:34,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 05:00:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 05:00:34,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 05:00:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-19 05:00:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-19 05:00:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2023-11-19 05:00:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2023-11-19 05:00:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:00:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:00:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 05:00:34,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 05:00:34,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 05:00:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 05:00:34,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:00:34,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:00:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 05:00:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 05:00:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2023-11-19 05:00:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2023-11-19 05:00:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2023-11-19 05:00:34,252 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2023-11-19 05:00:34,252 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-19 05:00:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-19 05:00:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:00:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 05:00:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 05:00:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:00:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:00:34,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-19 05:00:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-19 05:00:34,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:00:34,255 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-11-19 05:00:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-11-19 05:00:34,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:00:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:00:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 05:00:34,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 05:00:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:00:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:00:34,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 05:00:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:00:34,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-19 05:00:34,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-19 05:00:34,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-19 05:00:34,261 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 05:00:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 05:00:34,262 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2023-11-19 05:00:34,262 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2023-11-19 05:00:34,263 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 05:00:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 05:00:34,264 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2023-11-19 05:00:34,264 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2023-11-19 05:00:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-19 05:00:34,270 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-19 05:00:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 05:00:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 05:00:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 05:00:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 05:00:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-19 05:00:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-19 05:00:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:00:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:00:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2023-11-19 05:00:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2023-11-19 05:00:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-19 05:00:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-19 05:00:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 05:00:34,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 05:00:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2023-11-19 05:00:34,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2023-11-19 05:00:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:00:34,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:00:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:00:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:00:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:00:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:00:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2023-11-19 05:00:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2023-11-19 05:00:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-19 05:00:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-19 05:00:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 05:00:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 05:00:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2023-11-19 05:00:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2023-11-19 05:00:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-19 05:00:34,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-19 05:00:34,275 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-19 05:00:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-19 05:00:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2023-11-19 05:00:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2023-11-19 05:00:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 05:00:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 05:00:34,276 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2023-11-19 05:00:34,276 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2023-11-19 05:00:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-19 05:00:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-19 05:00:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_91 [2023-11-19 05:00:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_91 [2023-11-19 05:00:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 05:00:34,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 05:00:34,277 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-19 05:00:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-19 05:00:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-19 05:00:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-19 05:00:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 05:00:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 05:00:34,278 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 05:00:34,278 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 05:00:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-19 05:00:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-19 05:00:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:00:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2023-11-19 05:00:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2023-11-19 05:00:34,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 05:00:34,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 05:00:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2023-11-19 05:00:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2023-11-19 05:00:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:00:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:00:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 05:00:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 05:00:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-11-19 05:00:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-11-19 05:00:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:00:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:00:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-19 05:00:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-19 05:00:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:00:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:00:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-19 05:00:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-19 05:00:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2023-11-19 05:00:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2023-11-19 05:00:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2023-11-19 05:00:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2023-11-19 05:00:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 05:00:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 05:00:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-19 05:00:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-19 05:00:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2023-11-19 05:00:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2023-11-19 05:00:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 05:00:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 05:00:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 05:00:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 05:00:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 05:00:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 05:00:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 05:00:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 05:00:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2023-11-19 05:00:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2023-11-19 05:00:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-19 05:00:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-19 05:00:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:00:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-11-19 05:00:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-11-19 05:00:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:00:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:00:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2023-11-19 05:00:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2023-11-19 05:00:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-19 05:00:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-19 05:00:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-19 05:00:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-19 05:00:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 05:00:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 05:00:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-19 05:00:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-19 05:00:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2023-11-19 05:00:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2023-11-19 05:00:34,292 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-11-19 05:00:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-11-19 05:00:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-11-19 05:00:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-11-19 05:00:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:00:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:00:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-19 05:00:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-19 05:00:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-19 05:00:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-19 05:00:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2023-11-19 05:00:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2023-11-19 05:00:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2023-11-19 05:00:34,296 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2023-11-19 05:00:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-19 05:00:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-19 05:00:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:00:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2023-11-19 05:00:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2023-11-19 05:00:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:00:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:00:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 05:00:34,298 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 05:00:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2023-11-19 05:00:34,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2023-11-19 05:00:35,311 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:00:35,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:00:36,021 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:00:40,842 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:00:41,102 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:00:47,104 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:00:47,104 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:00:47,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:00:47 BoogieIcfgContainer [2023-11-19 05:00:47,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:00:47,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:00:47,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:00:47,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:00:47,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:00:28" (1/3) ... [2023-11-19 05:00:47,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7b11dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:00:47, skipping insertion in model container [2023-11-19 05:00:47,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:00:33" (2/3) ... [2023-11-19 05:00:47,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e7b11dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:00:47, skipping insertion in model container [2023-11-19 05:00:47,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:00:47" (3/3) ... [2023-11-19 05:00:47,148 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-19 05:00:47,171 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:00:47,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:00:47,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:00:47,301 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;@619901a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:00:47,302 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:00:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 2066 states, 1138 states have (on average 1.2636203866432338) internal successors, (1438), 1173 states have internal predecessors, (1438), 797 states have call successors, (797), 131 states have call predecessors, (797), 130 states have return successors, (791), 782 states have call predecessors, (791), 791 states have call successors, (791) [2023-11-19 05:00:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-19 05:00:47,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:47,366 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:47,367 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:47,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:47,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1148364278, now seen corresponding path program 1 times [2023-11-19 05:00:47,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:00:47,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915907242] [2023-11-19 05:00:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:00:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-19 05:00:48,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:00:48,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915907242] [2023-11-19 05:00:48,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915907242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:48,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:48,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:48,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45229191] [2023-11-19 05:00:48,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:48,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:48,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:00:48,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:48,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:48,535 INFO L87 Difference]: Start difference. First operand has 2066 states, 1138 states have (on average 1.2636203866432338) internal successors, (1438), 1173 states have internal predecessors, (1438), 797 states have call successors, (797), 131 states have call predecessors, (797), 130 states have return successors, (791), 782 states have call predecessors, (791), 791 states have call successors, (791) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-19 05:00:54,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:00:54,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:00:54,825 INFO L93 Difference]: Finished difference Result 5707 states and 8368 transitions. [2023-11-19 05:00:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:00:54,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 194 [2023-11-19 05:00:54,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:00:54,907 INFO L225 Difference]: With dead ends: 5707 [2023-11-19 05:00:54,907 INFO L226 Difference]: Without dead ends: 3610 [2023-11-19 05:00:54,928 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 05:00:54,932 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2337 mSDsluCounter, 2580 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2337 SdHoareTripleChecker+Valid, 5226 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:00:54,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2337 Valid, 5226 Invalid, 822 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 814 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2023-11-19 05:00:54,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2023-11-19 05:00:55,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3606. [2023-11-19 05:00:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3606 states, 1985 states have (on average 1.247858942065491) internal successors, (2477), 2049 states have internal predecessors, (2477), 1376 states have call successors, (1376), 246 states have call predecessors, (1376), 244 states have return successors, (1377), 1354 states have call predecessors, (1377), 1376 states have call successors, (1377) [2023-11-19 05:00:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3606 states and 5230 transitions. [2023-11-19 05:00:55,407 INFO L78 Accepts]: Start accepts. Automaton has 3606 states and 5230 transitions. Word has length 194 [2023-11-19 05:00:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:00:55,414 INFO L495 AbstractCegarLoop]: Abstraction has 3606 states and 5230 transitions. [2023-11-19 05:00:55,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-19 05:00:55,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3606 states and 5230 transitions. [2023-11-19 05:00:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-19 05:00:55,441 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:00:55,442 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:55,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:00:55,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:00:55,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:00:55,444 INFO L85 PathProgramCache]: Analyzing trace with hash 944203675, now seen corresponding path program 1 times [2023-11-19 05:00:55,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:00:55,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376821304] [2023-11-19 05:00:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:00:55,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:00:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:00:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2023-11-19 05:00:56,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:00:56,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376821304] [2023-11-19 05:00:56,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376821304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:00:56,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:00:56,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:00:56,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775076201] [2023-11-19 05:00:56,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:00:56,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:00:56,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:00:56,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:00:56,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:00:56,195 INFO L87 Difference]: Start difference. First operand 3606 states and 5230 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-19 05:01:01,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:01:02,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:01:02,249 INFO L93 Difference]: Finished difference Result 10390 states and 15030 transitions. [2023-11-19 05:01:02,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:01:02,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 255 [2023-11-19 05:01:02,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:01:02,312 INFO L225 Difference]: With dead ends: 10390 [2023-11-19 05:01:02,312 INFO L226 Difference]: Without dead ends: 6815 [2023-11-19 05:01:02,332 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 05:01:02,334 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 2804 mSDsluCounter, 2415 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 5005 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:01:02,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 5005 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-19 05:01:02,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6815 states. [2023-11-19 05:01:02,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6815 to 6809. [2023-11-19 05:01:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6809 states, 3790 states have (on average 1.2506596306068603) internal successors, (4740), 3908 states have internal predecessors, (4740), 2545 states have call successors, (2545), 483 states have call predecessors, (2545), 473 states have return successors, (2554), 2493 states have call predecessors, (2554), 2545 states have call successors, (2554) [2023-11-19 05:01:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6809 states to 6809 states and 9839 transitions. [2023-11-19 05:01:02,797 INFO L78 Accepts]: Start accepts. Automaton has 6809 states and 9839 transitions. Word has length 255 [2023-11-19 05:01:02,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:01:02,798 INFO L495 AbstractCegarLoop]: Abstraction has 6809 states and 9839 transitions. [2023-11-19 05:01:02,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-19 05:01:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 6809 states and 9839 transitions. [2023-11-19 05:01:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2023-11-19 05:01:02,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:01:02,814 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 9, 6, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:01:02,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:01:02,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:01:02,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:01:02,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1887969904, now seen corresponding path program 1 times [2023-11-19 05:01:02,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:01:02,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139921163] [2023-11-19 05:01:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:01:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:01:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:01:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2023-11-19 05:01:03,536 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:01:03,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139921163] [2023-11-19 05:01:03,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139921163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:01:03,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:01:03,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:01:03,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130639692] [2023-11-19 05:01:03,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:01:03,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:01:03,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:01:03,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:01:03,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:01:03,543 INFO L87 Difference]: Start difference. First operand 6809 states and 9839 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2023-11-19 05:01:09,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []