./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 527bcce2 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_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.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_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:09,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:09,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:06:09,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:09,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:09,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:09,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:09,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:09,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:09,914 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:09,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:09,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:09,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:09,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:09,919 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:09,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:09,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:09,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:09,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:09,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:09,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:09,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:09,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:09,925 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:09,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:09,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:09,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:09,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:09,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:09,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:09,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:09,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:09,931 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:09,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:06:09,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:09,932 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:09,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:09,932 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:09,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:09,933 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2023-11-21 22:06:10,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:10,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:10,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:10,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:10,377 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:10,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-21 22:06:13,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:14,321 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:14,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-21 22:06:14,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/data/d07448444/1208dfc405a94da59b64f1118952181a/FLAG3e996186a [2023-11-21 22:06:14,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/data/d07448444/1208dfc405a94da59b64f1118952181a [2023-11-21 22:06:14,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:14,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:14,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:14,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:14,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:14,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:14" (1/1) ... [2023-11-21 22:06:14,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aadde8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:14, skipping insertion in model container [2023-11-21 22:06:14,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:14" (1/1) ... [2023-11-21 22:06:14,628 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:18,447 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_488ef30e-cf1f-4f84-92c4-de516adb50e8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2023-11-21 22:06:18,451 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_488ef30e-cf1f-4f84-92c4-de516adb50e8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2023-11-21 22:06:18,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:18,527 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:18,626 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] [2023-11-21 22:06:18,629 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] [2023-11-21 22:06:18,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5268] [2023-11-21 22:06:18,631 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] [2023-11-21 22:06:18,631 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] [2023-11-21 22:06:18,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5463] [2023-11-21 22:06:18,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5471] [2023-11-21 22:06:18,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5478] [2023-11-21 22:06:18,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5485] [2023-11-21 22:06:18,640 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] [2023-11-21 22:06:18,642 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] [2023-11-21 22:06:18,644 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] [2023-11-21 22:06:18,645 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] [2023-11-21 22:06:18,652 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] [2023-11-21 22:06:18,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5964] [2023-11-21 22:06:18,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8592] [2023-11-21 22:06:18,743 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] [2023-11-21 22:06:18,873 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] [2023-11-21 22:06:18,972 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_488ef30e-cf1f-4f84-92c4-de516adb50e8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387086,387099] [2023-11-21 22:06:18,972 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_488ef30e-cf1f-4f84-92c4-de516adb50e8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[387231,387244] [2023-11-21 22:06:18,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:19,286 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:06:19,287 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:06:19,294 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:19,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19 WrapperNode [2023-11-21 22:06:19,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:19,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:19,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:19,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:19,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:19,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:19,716 INFO L138 Inliner]: procedures = 510, calls = 2700, calls flagged for inlining = 247, calls inlined = 217, statements flattened = 6624 [2023-11-21 22:06:19,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:19,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:19,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:19,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:19,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:19,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:19,806 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:21,876 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:06:21,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:21,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:22,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:22,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:22,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:22,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:22,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:22,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:22,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:22,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:22,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (1/1) ... [2023-11-21 22:06:22,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:22,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488ef30e-cf1f-4f84-92c4-de516adb50e8/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2023-11-21 22:06:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2023-11-21 22:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-21 22:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-21 22:06:22,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-21 22:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2023-11-21 22:06:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2023-11-21 22:06:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:06:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:06:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:06:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:06:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-21 22:06:22,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-21 22:06:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2023-11-21 22:06:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2023-11-21 22:06:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2023-11-21 22:06:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2023-11-21 22:06:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:06:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:06:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:06:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:06:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2023-11-21 22:06:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2023-11-21 22:06:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_92 [2023-11-21 22:06:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_92 [2023-11-21 22:06:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:06:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:06:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2023-11-21 22:06:22,410 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2023-11-21 22:06:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-21 22:06:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-21 22:06:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:06:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:06:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-21 22:06:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-21 22:06:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:06:22,411 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:06:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:06:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:06:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:06:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:06:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:06:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:06:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-21 22:06:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-21 22:06:22,412 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-21 22:06:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-21 22:06:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-21 22:06:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 22:06:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 22:06:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2023-11-21 22:06:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2023-11-21 22:06:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:06:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:06:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2023-11-21 22:06:22,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2023-11-21 22:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-21 22:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-21 22:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-21 22:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-21 22:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2023-11-21 22:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2023-11-21 22:06:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-21 22:06:22,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-21 22:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2023-11-21 22:06:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2023-11-21 22:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:06:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2023-11-21 22:06:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2023-11-21 22:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2023-11-21 22:06:22,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2023-11-21 22:06:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:06:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:06:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:06:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-21 22:06:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-21 22:06:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2023-11-21 22:06:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2023-11-21 22:06:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:06:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-21 22:06:22,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-21 22:06:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:06:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-21 22:06:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-21 22:06:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:06:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:06:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-21 22:06:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2023-11-21 22:06:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2023-11-21 22:06:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2023-11-21 22:06:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:06:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:06:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-21 22:06:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-21 22:06:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-21 22:06:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-21 22:06:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-21 22:06:22,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-21 22:06:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:06:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:06:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2023-11-21 22:06:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2023-11-21 22:06:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2023-11-21 22:06:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2023-11-21 22:06:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2023-11-21 22:06:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2023-11-21 22:06:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:06:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-21 22:06:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-21 22:06:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-21 22:06:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-21 22:06:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-21 22:06:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-21 22:06:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2023-11-21 22:06:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2023-11-21 22:06:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:06:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:06:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:06:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:06:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:06:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:06:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:06:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:06:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-21 22:06:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 22:06:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 22:06:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-21 22:06:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-21 22:06:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2023-11-21 22:06:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2023-11-21 22:06:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-21 22:06:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-21 22:06:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2023-11-21 22:06:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2023-11-21 22:06:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2023-11-21 22:06:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2023-11-21 22:06:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 22:06:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 22:06:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-21 22:06:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-21 22:06:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-21 22:06:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-21 22:06:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:06:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:06:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2023-11-21 22:06:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2023-11-21 22:06:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-21 22:06:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-21 22:06:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-21 22:06:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-21 22:06:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2023-11-21 22:06:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2023-11-21 22:06:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:06:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:06:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:06:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:06:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2023-11-21 22:06:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2023-11-21 22:06:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2023-11-21 22:06:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2023-11-21 22:06:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-21 22:06:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-21 22:06:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2023-11-21 22:06:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2023-11-21 22:06:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-21 22:06:22,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-21 22:06:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2023-11-21 22:06:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2023-11-21 22:06:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2023-11-21 22:06:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2023-11-21 22:06:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-21 22:06:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-21 22:06:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2023-11-21 22:06:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2023-11-21 22:06:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-21 22:06:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2023-11-21 22:06:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_91 [2023-11-21 22:06:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_91 [2023-11-21 22:06:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-21 22:06:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-21 22:06:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2023-11-21 22:06:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2023-11-21 22:06:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2023-11-21 22:06:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2023-11-21 22:06:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:06:22,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:06:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 22:06:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 22:06:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-21 22:06:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-21 22:06:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:06:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2023-11-21 22:06:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2023-11-21 22:06:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:06:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:06:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2023-11-21 22:06:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2023-11-21 22:06:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:06:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:06:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:06:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:06:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2023-11-21 22:06:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2023-11-21 22:06:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:06:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:06:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-21 22:06:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2023-11-21 22:06:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-21 22:06:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-21 22:06:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-21 22:06:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-21 22:06:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2023-11-21 22:06:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2023-11-21 22:06:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2023-11-21 22:06:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2023-11-21 22:06:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-21 22:06:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-21 22:06:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2023-11-21 22:06:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2023-11-21 22:06:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2023-11-21 22:06:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2023-11-21 22:06:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-21 22:06:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-21 22:06:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:06:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:06:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-21 22:06:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-21 22:06:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:06:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:06:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2023-11-21 22:06:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2023-11-21 22:06:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-21 22:06:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2023-11-21 22:06:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:06:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2023-11-21 22:06:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2023-11-21 22:06:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:06:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:06:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2023-11-21 22:06:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2023-11-21 22:06:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2023-11-21 22:06:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2023-11-21 22:06:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 22:06:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 22:06:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-21 22:06:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-21 22:06:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-21 22:06:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-21 22:06:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2023-11-21 22:06:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2023-11-21 22:06:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2023-11-21 22:06:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2023-11-21 22:06:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2023-11-21 22:06:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2023-11-21 22:06:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-21 22:06:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-21 22:06:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-21 22:06:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-21 22:06:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-21 22:06:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-21 22:06:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2023-11-21 22:06:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2023-11-21 22:06:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2023-11-21 22:06:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2023-11-21 22:06:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-21 22:06:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-21 22:06:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:06:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2023-11-21 22:06:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2023-11-21 22:06:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-21 22:06:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-21 22:06:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-21 22:06:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-21 22:06:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2023-11-21 22:06:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2023-11-21 22:06:23,513 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:23,518 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:24,110 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:06:28,978 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-21 22:06:29,206 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:38,112 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:38,112 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:06:38,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:38 BoogieIcfgContainer [2023-11-21 22:06:38,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:38,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:38,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:38,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:38,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:14" (1/3) ... [2023-11-21 22:06:38,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514ad8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:38, skipping insertion in model container [2023-11-21 22:06:38,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:19" (2/3) ... [2023-11-21 22:06:38,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514ad8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:38, skipping insertion in model container [2023-11-21 22:06:38,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:38" (3/3) ... [2023-11-21 22:06:38,129 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2023-11-21 22:06:38,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:38,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:06:38,279 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:06:38,288 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=PETRI_NET, 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;@5bd12c29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:06:38,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:06:38,303 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) [2023-11-21 22:06:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-21 22:06:38,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:38,358 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] [2023-11-21 22:06:38,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:38,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:38,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1849114223, now seen corresponding path program 1 times [2023-11-21 22:06:38,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:38,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59076483] [2023-11-21 22:06:38,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:38,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:06:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:06:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:06:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:06:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:06:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:06:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:06:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:06:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:06:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:06:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:06:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:06:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 22:06:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-21 22:06:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 22:06:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-21 22:06:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 22:06:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-21 22:06:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-21 22:06:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-21 22:06:39,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:39,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59076483] [2023-11-21 22:06:39,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59076483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:39,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:39,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:06:39,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354272160] [2023-11-21 22:06:39,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:39,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:06:39,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:39,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:06:39,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:06:39,709 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 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-21 22:06:51,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:51,857 INFO L93 Difference]: Finished difference Result 5793 states and 8521 transitions. [2023-11-21 22:06:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:06:51,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 3 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 [2023-11-21 22:06:51,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:06:51,941 INFO L225 Difference]: With dead ends: 5793 [2023-11-21 22:06:51,942 INFO L226 Difference]: Without dead ends: 3696 [2023-11-21 22:06:51,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:06:51,975 INFO L413 NwaCegarLoop]: 1554 mSDtfsCounter, 3027 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 3976 mSolverCounterSat, 2213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 3286 SdHoareTripleChecker+Invalid, 6189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2213 IncrementalHoareTripleChecker+Valid, 3976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:06:51,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 3286 Invalid, 6189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2213 Valid, 3976 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2023-11-21 22:06:52,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2023-11-21 22:06:52,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3617. [2023-11-21 22:06:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3617 states, 1989 states have (on average 1.2473604826546003) internal successors, (2481), 2053 states have internal predecessors, (2481), 1380 states have call successors, (1380), 246 states have call predecessors, (1380), 247 states have return successors, (1384), 1359 states have call predecessors, (1384), 1380 states have call successors, (1384) [2023-11-21 22:06:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 5245 transitions. [2023-11-21 22:06:52,453 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 5245 transitions. Word has length 194 [2023-11-21 22:06:52,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:06:52,454 INFO L495 AbstractCegarLoop]: Abstraction has 3617 states and 5245 transitions. [2023-11-21 22:06:52,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-21 22:06:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 5245 transitions. [2023-11-21 22:06:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2023-11-21 22:06:52,467 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:52,468 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] [2023-11-21 22:06:52,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:06:52,469 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:52,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:52,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1830002515, now seen corresponding path program 1 times [2023-11-21 22:06:52,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:52,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119530100] [2023-11-21 22:06:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:52,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:06:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-21 22:06:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 22:06:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-21 22:06:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-21 22:06:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:06:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-21 22:06:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-21 22:06:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-21 22:06:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-21 22:06:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-21 22:06:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:06:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-21 22:06:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-21 22:06:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-21 22:06:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-21 22:06:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-21 22:06:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-21 22:06:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-21 22:06:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-21 22:06:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:06:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-21 22:06:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:06:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-21 22:06:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:06:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-11-21 22:06:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-21 22:06:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-21 22:06:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-21 22:06:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-21 22:06:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 899 trivial. 0 not checked. [2023-11-21 22:06:53,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:53,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119530100] [2023-11-21 22:06:53,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119530100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:53,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:53,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:06:53,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539065269] [2023-11-21 22:06:53,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:53,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:06:53,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:53,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:06:53,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:06:53,419 INFO L87 Difference]: Start difference. First operand 3617 states and 5245 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35)