./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 cf1a7837 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_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/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_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX --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-cf1a783 [2023-11-12 00:43:18,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:18,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:43:18,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:18,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:18,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:18,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:18,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:18,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:18,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:18,834 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:18,834 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:18,835 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:18,836 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:43:18,836 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:18,837 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:18,837 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:43:18,838 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:43:18,839 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:18,839 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:43:18,840 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:43:18,840 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:43:18,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:18,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:43:18,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:43:18,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:18,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:43:18,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:18,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:43:18,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:43:18,845 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:18,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:18,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:18,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:18,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:18,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:18,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:43:18,848 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:43:18,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:43:18,849 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:43:18,849 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:18,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:18,850 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_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2023-11-12 00:43:19,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:19,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:19,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:19,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:19,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:19,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-12 00:43:22,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:23,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:23,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-12 00:43:23,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/data/42d7fdfd4/973c6e66bf8d4ac5ba434cff17a72a70/FLAG4d2dac14e [2023-11-12 00:43:23,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/data/42d7fdfd4/973c6e66bf8d4ac5ba434cff17a72a70 [2023-11-12 00:43:23,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:23,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:23,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:23,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:23,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:23,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:23,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61315c6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:23, skipping insertion in model container [2023-11-12 00:43:23,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:23" (1/1) ... [2023-11-12 00:43:24,164 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:28,585 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_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2023-11-12 00:43:28,592 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_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2023-11-12 00:43:28,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:28,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:28,855 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] [2023-11-12 00:43:28,857 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] [2023-11-12 00:43:28,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2023-11-12 00:43:28,860 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] [2023-11-12 00:43:28,860 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] [2023-11-12 00:43:28,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5463] [2023-11-12 00:43:28,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5471] [2023-11-12 00:43:28,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5478] [2023-11-12 00:43:28,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5485] [2023-11-12 00:43:28,872 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] [2023-11-12 00:43:28,874 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] [2023-11-12 00:43:28,876 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] [2023-11-12 00:43:28,878 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] [2023-11-12 00:43:28,887 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] [2023-11-12 00:43:28,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5964] [2023-11-12 00:43:29,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8592] [2023-11-12 00:43:29,078 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] [2023-11-12 00:43:29,178 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] [2023-11-12 00:43:29,318 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_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2023-11-12 00:43:29,319 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_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2023-11-12 00:43:29,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:29,695 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:29,695 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:29,705 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:29,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29 WrapperNode [2023-11-12 00:43:29,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:29,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:29,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:29,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:29,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:29,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,307 INFO L138 Inliner]: procedures = 510, calls = 2700, calls flagged for inlining = 247, calls inlined = 217, statements flattened = 6624 [2023-11-12 00:43:30,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:30,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:30,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:30,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:30,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:30,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:30,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:30,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:30,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (1/1) ... [2023-11-12 00:43:30,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:30,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:30,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:30,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c6e9785-f6e2-41e8-8f45-fd62d8a15689/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2023-11-12 00:43:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2023-11-12 00:43:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-12 00:43:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 00:43:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 00:43:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2023-11-12 00:43:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2023-11-12 00:43:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:43:30,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:43:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:43:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:43:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:43:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:43:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2023-11-12 00:43:31,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2023-11-12 00:43:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-12 00:43:31,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-12 00:43:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:43:31,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:43:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:43:31,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:43:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2023-11-12 00:43:31,002 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2023-11-12 00:43:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_92 [2023-11-12 00:43:31,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_92 [2023-11-12 00:43:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:43:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:43:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2023-11-12 00:43:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2023-11-12 00:43:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:43:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:43:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:43:31,003 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:43:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 00:43:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 00:43:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-12 00:43:31,004 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-12 00:43:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:43:31,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:43:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:43:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:43:31,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:43:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:43:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:43:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:43:31,008 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:43:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:43:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:43:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:43:31,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:43:31,009 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-12 00:43:31,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-12 00:43:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:43:31,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:43:31,011 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-12 00:43:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-12 00:43:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:43:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 00:43:31,012 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 00:43:31,012 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-12 00:43:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-12 00:43:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2023-11-12 00:43:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2023-11-12 00:43:31,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-12 00:43:31,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-12 00:43:31,014 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2023-11-12 00:43:31,015 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2023-11-12 00:43:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:43:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:43:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2023-11-12 00:43:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2023-11-12 00:43:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2023-11-12 00:43:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2023-11-12 00:43:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:43:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:43:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:43:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-12 00:43:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-12 00:43:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2023-11-12 00:43:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2023-11-12 00:43:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:43:31,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:43:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:43:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:43:31,019 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:43:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:43:31,020 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:43:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:43:31,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-12 00:43:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-12 00:43:31,021 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2023-11-12 00:43:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2023-11-12 00:43:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:43:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:43:31,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:43:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:43:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:43:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:43:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:43:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:43:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:43:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:43:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2023-11-12 00:43:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2023-11-12 00:43:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2023-11-12 00:43:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2023-11-12 00:43:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-12 00:43:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-12 00:43:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:43:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:43:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:43:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:43:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:43:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-12 00:43:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-12 00:43:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-11-12 00:43:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-11-12 00:43:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:43:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:43:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:43:31,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:43:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:43:31,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:43:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:43:31,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:43:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-12 00:43:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-12 00:43:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-12 00:43:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:43:31,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:43:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2023-11-12 00:43:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2023-11-12 00:43:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:43:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:43:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2023-11-12 00:43:31,043 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2023-11-12 00:43:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-12 00:43:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-12 00:43:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:43:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:43:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:43:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:43:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 00:43:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 00:43:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:43:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:43:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2023-11-12 00:43:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2023-11-12 00:43:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-12 00:43:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-12 00:43:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:43:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:43:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2023-11-12 00:43:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2023-11-12 00:43:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:43:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2023-11-12 00:43:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2023-11-12 00:43:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-12 00:43:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-12 00:43:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:43:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:43:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2023-11-12 00:43:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2023-11-12 00:43:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-12 00:43:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-12 00:43:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-12 00:43:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-12 00:43:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2023-11-12 00:43:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2023-11-12 00:43:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:43:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:43:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2023-11-12 00:43:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2023-11-12 00:43:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-12 00:43:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-12 00:43:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_91 [2023-11-12 00:43:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_91 [2023-11-12 00:43:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:43:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:43:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-12 00:43:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-12 00:43:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-12 00:43:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-12 00:43:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:43:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:43:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:43:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:43:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-12 00:43:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-12 00:43:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:43:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2023-11-12 00:43:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2023-11-12 00:43:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:43:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:43:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2023-11-12 00:43:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2023-11-12 00:43:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:43:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:43:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:43:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:43:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-11-12 00:43:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-11-12 00:43:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:43:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:43:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-12 00:43:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-12 00:43:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:43:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:43:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 00:43:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 00:43:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2023-11-12 00:43:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2023-11-12 00:43:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2023-11-12 00:43:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2023-11-12 00:43:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:43:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:43:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-12 00:43:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-12 00:43:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2023-11-12 00:43:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2023-11-12 00:43:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:43:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:43:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:43:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:43:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:43:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:43:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:43:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:43:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2023-11-12 00:43:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2023-11-12 00:43:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-12 00:43:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-12 00:43:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:43:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-11-12 00:43:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-11-12 00:43:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:43:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:43:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2023-11-12 00:43:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2023-11-12 00:43:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-12 00:43:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-12 00:43:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-12 00:43:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-12 00:43:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:43:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:43:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-12 00:43:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-12 00:43:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2023-11-12 00:43:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2023-11-12 00:43:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-11-12 00:43:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-11-12 00:43:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-11-12 00:43:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-11-12 00:43:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:43:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:43:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-12 00:43:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-12 00:43:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-12 00:43:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-12 00:43:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2023-11-12 00:43:31,083 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2023-11-12 00:43:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2023-11-12 00:43:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2023-11-12 00:43:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 00:43:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 00:43:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:43:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2023-11-12 00:43:31,084 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2023-11-12 00:43:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:43:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:43:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:43:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:43:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2023-11-12 00:43:31,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2023-11-12 00:43:32,617 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:32,638 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:33,570 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:43:39,170 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:43:39,328 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:43:46,496 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:43:46,497 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:43:46,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:46 BoogieIcfgContainer [2023-11-12 00:43:46,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:43:46,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:43:46,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:43:46,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:43:46,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:43:23" (1/3) ... [2023-11-12 00:43:46,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7f5c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:46, skipping insertion in model container [2023-11-12 00:43:46,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:29" (2/3) ... [2023-11-12 00:43:46,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7f5c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:46, skipping insertion in model container [2023-11-12 00:43:46,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:46" (3/3) ... [2023-11-12 00:43:46,519 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-12 00:43:46,548 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:43:46,548 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:43:46,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:43:46,713 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;@4c5b2674, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:43:46,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:43:46,730 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) [2023-11-12 00:43:46,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-12 00:43:46,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:46,780 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] [2023-11-12 00:43:46,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:43:46,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:46,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1148364278, now seen corresponding path program 1 times [2023-11-12 00:43:46,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:46,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416336556] [2023-11-12 00:43:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:46,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-12 00:43:48,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:48,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416336556] [2023-11-12 00:43:48,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416336556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:48,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:43:48,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:43:48,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247288865] [2023-11-12 00:43:48,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:48,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:43:48,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:48,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:43:48,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:43:48,153 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) [2023-11-12 00:43:53,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:43:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:54,219 INFO L93 Difference]: Finished difference Result 5707 states and 8368 transitions. [2023-11-12 00:43:54,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:43:54,222 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 [2023-11-12 00:43:54,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:54,304 INFO L225 Difference]: With dead ends: 5707 [2023-11-12 00:43:54,304 INFO L226 Difference]: Without dead ends: 3610 [2023-11-12 00:43:54,332 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 [2023-11-12 00:43:54,336 INFO L413 NwaCegarLoop]: 2646 mSDtfsCounter, 2337 mSDsluCounter, 2580 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2337 SdHoareTripleChecker+Valid, 5226 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:54,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2337 Valid, 5226 Invalid, 822 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-12 00:43:54,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3610 states. [2023-11-12 00:43:55,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3610 to 3606. [2023-11-12 00:43:55,074 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) [2023-11-12 00:43:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3606 states and 5230 transitions. [2023-11-12 00:43:55,129 INFO L78 Accepts]: Start accepts. Automaton has 3606 states and 5230 transitions. Word has length 194 [2023-11-12 00:43:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:55,135 INFO L495 AbstractCegarLoop]: Abstraction has 3606 states and 5230 transitions. [2023-11-12 00:43:55,135 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) [2023-11-12 00:43:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3606 states and 5230 transitions. [2023-11-12 00:43:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-12 00:43:55,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:55,167 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] [2023-11-12 00:43:55,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:43:55,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:43:55,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:55,169 INFO L85 PathProgramCache]: Analyzing trace with hash 944203675, now seen corresponding path program 1 times [2023-11-12 00:43:55,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:55,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018415660] [2023-11-12 00:43:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2023-11-12 00:43:55,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:55,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018415660] [2023-11-12 00:43:55,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018415660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:55,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:43:55,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:43:55,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803410433] [2023-11-12 00:43:55,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:55,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:43:55,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:55,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:43:55,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:43:55,836 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) [2023-11-12 00:44:05,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:44:05,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:44:05,276 INFO L93 Difference]: Finished difference Result 10390 states and 15030 transitions. [2023-11-12 00:44:05,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:44:05,278 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 [2023-11-12 00:44:05,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:44:05,340 INFO L225 Difference]: With dead ends: 10390 [2023-11-12 00:44:05,340 INFO L226 Difference]: Without dead ends: 6815 [2023-11-12 00:44:05,364 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 [2023-11-12 00:44:05,365 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 2804 mSDsluCounter, 2415 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 5005 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:44:05,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 5005 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 763 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2023-11-12 00:44:05,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6815 states.