./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme --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 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:30,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:30,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:46:30,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:30,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:30,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:30,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:30,347 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:30,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:30,348 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:30,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:30,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:30,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:30,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:30,351 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:30,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:30,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:30,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:30,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:30,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:30,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:30,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:30,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:30,360 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:30,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:30,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:30,366 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:30,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:30,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:30,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:30,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:30,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:30,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:30,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:46:30,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:30,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:30,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:30,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:30,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:30,381 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_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 [2023-11-26 10:46:30,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:30,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:30,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:30,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:30,735 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:30,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2023-11-26 10:46:33,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:34,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:34,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2023-11-26 10:46:34,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/data/f5ec6021c/c7102cb229074cb8a6c308fe2c5aa831/FLAG4850bf2d9 [2023-11-26 10:46:34,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/data/f5ec6021c/c7102cb229074cb8a6c308fe2c5aa831 [2023-11-26 10:46:34,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:34,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:34,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:34,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:34,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:34,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:34" (1/1) ... [2023-11-26 10:46:34,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e7b1553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:34, skipping insertion in model container [2023-11-26 10:46:34,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:34" (1/1) ... [2023-11-26 10:46:34,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:37,565 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_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2023-11-26 10:46:37,569 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_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2023-11-26 10:46:37,570 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_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2023-11-26 10:46:37,571 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_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2023-11-26 10:46:37,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:37,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:37,778 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"); [5287] [2023-11-26 10:46:37,780 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)); [5294] [2023-11-26 10:46:37,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5301] [2023-11-26 10:46:37,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5339-5340] [2023-11-26 10:46:37,784 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"); [5345-5347] [2023-11-26 10:46:37,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5425] [2023-11-26 10:46:37,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5433] [2023-11-26 10:46:37,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5441] [2023-11-26 10:46:37,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5448] [2023-11-26 10:46:37,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5455] [2023-11-26 10:46:37,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2023-11-26 10:46:37,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5499] [2023-11-26 10:46:37,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5507] [2023-11-26 10:46:37,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5514] [2023-11-26 10:46:37,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5521] [2023-11-26 10:46:37,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5529] [2023-11-26 10:46:38,086 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_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[320934,320947] [2023-11-26 10:46:38,087 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_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321103,321116] [2023-11-26 10:46:38,087 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_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321270,321283] [2023-11-26 10:46:38,088 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_a04ea674-665b-497a-a360-0c79a6670d70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i[321438,321451] [2023-11-26 10:46:38,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:38,342 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:38,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38 WrapperNode [2023-11-26 10:46:38,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:38,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:38,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:38,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:38,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:38,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:38,816 INFO L138 Inliner]: procedures = 418, calls = 2017, calls flagged for inlining = 195, calls inlined = 179, statements flattened = 5519 [2023-11-26 10:46:38,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:38,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:38,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:38,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:38,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:38,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:38,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:40,345 INFO L175 MemorySlicer]: Split 937 memory accesses to 19 slices as follows [5, 1, 1, 8, 91, 1, 2, 2, 5, 52, 9, 3, 8, 3, 726, 8, 2, 2, 8]. 77 percent of accesses are in the largest equivalence class. The 216 initializations are split as follows [1, 0, 0, 8, 0, 1, 2, 0, 5, 40, 0, 1, 7, 1, 134, 8, 0, 0, 8]. The 193 writes are split as follows [2, 0, 0, 0, 49, 0, 0, 1, 0, 0, 4, 1, 0, 0, 134, 0, 1, 1, 0]. [2023-11-26 10:46:40,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:40,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:40,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:40,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:40,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:40,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:40,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:40,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:40,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:40,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:40,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (1/1) ... [2023-11-26 10:46:40,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:40,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:40,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:40,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04ea674-665b-497a-a360-0c79a6670d70/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:40,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2023-11-26 10:46:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2023-11-26 10:46:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-26 10:46:40,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-26 10:46:40,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 10:46:40,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 10:46:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-26 10:46:40,767 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-26 10:46:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:46:40,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:46:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2023-11-26 10:46:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2023-11-26 10:46:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-26 10:46:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-26 10:46:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-26 10:46:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-26 10:46:40,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-26 10:46:40,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-26 10:46:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-26 10:46:40,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-26 10:46:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2023-11-26 10:46:40,772 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2023-11-26 10:46:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-26 10:46:40,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-26 10:46:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2023-11-26 10:46:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2023-11-26 10:46:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 10:46:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 10:46:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2023-11-26 10:46:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2023-11-26 10:46:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-26 10:46:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-26 10:46:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-26 10:46:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-26 10:46:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-26 10:46:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-26 10:46:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2023-11-26 10:46:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2023-11-26 10:46:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 10:46:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 10:46:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:46:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-26 10:46:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-26 10:46:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2023-11-26 10:46:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2023-11-26 10:46:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2023-11-26 10:46:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2023-11-26 10:46:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-26 10:46:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-26 10:46:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 10:46:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 10:46:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 10:46:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 10:46:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 10:46:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 10:46:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 10:46:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 10:46:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 10:46:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 10:46:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 10:46:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 10:46:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-26 10:46:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-26 10:46:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-26 10:46:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-26 10:46:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-26 10:46:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-26 10:46:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-26 10:46:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-26 10:46:40,782 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-26 10:46:40,782 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-26 10:46:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-26 10:46:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-26 10:46:40,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-26 10:46:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 10:46:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 10:46:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 10:46:40,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 10:46:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 10:46:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 10:46:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 10:46:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 10:46:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 10:46:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 10:46:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 10:46:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 10:46:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 10:46:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-26 10:46:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-26 10:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-26 10:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-26 10:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-26 10:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-26 10:46:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-26 10:46:40,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-26 10:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:46:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:46:40,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:46:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:46:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:46:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:46:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:46:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:46:40,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:46:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:46:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 10:46:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 10:46:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 10:46:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 10:46:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 10:46:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 10:46:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-26 10:46:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-26 10:46:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-26 10:46:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-26 10:46:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-26 10:46:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-26 10:46:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-26 10:46:40,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-26 10:46:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-26 10:46:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-26 10:46:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-26 10:46:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-26 10:46:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-26 10:46:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-26 10:46:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-26 10:46:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-26 10:46:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-26 10:46:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-26 10:46:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-26 10:46:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-26 10:46:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-26 10:46:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-26 10:46:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-26 10:46:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-26 10:46:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-26 10:46:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-26 10:46:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-26 10:46:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-26 10:46:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-26 10:46:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-26 10:46:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-26 10:46:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-26 10:46:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-26 10:46:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-26 10:46:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-26 10:46:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-26 10:46:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-26 10:46:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-26 10:46:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-26 10:46:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-26 10:46:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2023-11-26 10:46:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2023-11-26 10:46:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-26 10:46:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-26 10:46:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-26 10:46:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-26 10:46:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-26 10:46:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-26 10:46:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-26 10:46:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-26 10:46:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-26 10:46:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-26 10:46:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-26 10:46:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-26 10:46:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:46:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-26 10:46:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-26 10:46:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-26 10:46:40,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-26 10:46:40,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_card_lock_of_fst_card_info [2023-11-26 10:46:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_card_lock_of_fst_card_info [2023-11-26 10:46:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2023-11-26 10:46:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2023-11-26 10:46:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-26 10:46:40,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-26 10:46:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:46:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:46:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:46:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:46:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:46:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:46:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:46:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:46:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:46:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:46:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:46:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:46:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:46:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 10:46:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 10:46:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 10:46:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 10:46:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 10:46:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 10:46:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 10:46:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 10:46:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-26 10:46:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-26 10:46:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-26 10:46:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-26 10:46:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-11-26 10:46:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-11-26 10:46:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2023-11-26 10:46:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2023-11-26 10:46:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-26 10:46:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-26 10:46:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-26 10:46:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-26 10:46:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-26 10:46:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-26 10:46:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-26 10:46:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-26 10:46:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-26 10:46:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-26 10:46:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-26 10:46:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-26 10:46:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-11-26 10:46:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-11-26 10:46:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 10:46:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 10:46:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 10:46:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 10:46:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 10:46:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 10:46:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 10:46:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 10:46:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 10:46:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 10:46:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 10:46:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 10:46:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-26 10:46:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-26 10:46:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-26 10:46:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-26 10:46:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-26 10:46:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-26 10:46:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-26 10:46:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 10:46:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 10:46:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 10:46:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 10:46:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 10:46:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 10:46:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 10:46:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 10:46:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 10:46:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 10:46:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 10:46:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 10:46:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-26 10:46:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-26 10:46:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-26 10:46:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-26 10:46:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-26 10:46:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-26 10:46:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-26 10:46:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 10:46:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 10:46:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-26 10:46:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-26 10:46:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-26 10:46:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-26 10:46:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 10:46:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 10:46:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 10:46:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 10:46:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 10:46:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 10:46:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 10:46:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 10:46:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-26 10:46:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-26 10:46:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-26 10:46:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-26 10:46:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-26 10:46:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-26 10:46:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-26 10:46:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-26 10:46:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-26 10:46:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-26 10:46:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-26 10:46:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 10:46:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 10:46:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 10:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 10:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 10:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 10:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 10:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 10:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-26 10:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-26 10:46:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-26 10:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-26 10:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-26 10:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-26 10:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-26 10:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-26 10:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-26 10:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-26 10:46:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-26 10:46:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-26 10:46:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-26 10:46:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-26 10:46:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-26 10:46:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-26 10:46:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-26 10:46:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:46:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-26 10:46:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-26 10:46:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:46:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:46:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:46:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:46:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:46:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 10:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 10:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 10:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 10:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 10:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 10:46:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-11-26 10:46:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-11-26 10:46:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:46:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:46:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:46:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:46:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:46:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:46:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:46:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:46:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:46:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:46:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:46:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:46:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:46:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 10:46:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 10:46:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 10:46:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 10:46:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 10:46:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 10:46:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-26 10:46:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-26 10:46:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 10:46:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 10:46:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-26 10:46:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-26 10:46:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-26 10:46:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-26 10:46:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-26 10:46:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-26 10:46:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-26 10:46:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-26 10:46:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-11-26 10:46:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-11-26 10:46:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-26 10:46:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-26 10:46:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2023-11-26 10:46:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2023-11-26 10:46:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-26 10:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-26 10:46:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-26 10:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-26 10:46:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_fst_work_q_lock [2023-11-26 10:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_fst_work_q_lock [2023-11-26 10:46:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 10:46:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 10:46:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:46:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:46:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:46:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:46:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:46:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:46:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:46:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:46:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:46:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:46:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:46:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:46:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:46:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 10:46:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 10:46:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 10:46:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 10:46:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 10:46:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 10:46:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2023-11-26 10:46:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2023-11-26 10:46:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:46:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:46:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-26 10:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-26 10:46:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-26 10:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-26 10:46:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2023-11-26 10:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2023-11-26 10:46:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2023-11-26 10:46:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2023-11-26 10:46:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-26 10:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-26 10:46:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-11-26 10:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-11-26 10:46:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-26 10:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-26 10:46:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-26 10:46:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-26 10:46:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-26 10:46:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-26 10:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-11-26 10:46:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-11-26 10:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2023-11-26 10:46:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2023-11-26 10:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:46:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:46:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 10:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 10:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 10:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 10:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 10:46:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 10:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-26 10:46:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-26 10:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-26 10:46:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-26 10:46:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-26 10:46:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-26 10:46:41,780 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:41,785 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:42,550 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 10:46:47,069 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-26 10:46:47,394 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:47,870 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:47,870 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:46:47,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:47 BoogieIcfgContainer [2023-11-26 10:46:47,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:47,875 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:47,875 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:47,879 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:47,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:34" (1/3) ... [2023-11-26 10:46:47,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a76d195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:47, skipping insertion in model container [2023-11-26 10:46:47,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:38" (2/3) ... [2023-11-26 10:46:47,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a76d195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:47, skipping insertion in model container [2023-11-26 10:46:47,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:47" (3/3) ... [2023-11-26 10:46:47,882 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2023-11-26 10:46:47,906 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:47,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-26 10:46:48,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:48,038 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;@6a91051d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:48,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-26 10:46:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 1652 states, 1046 states have (on average 1.3795411089866156) internal successors, (1443), 1058 states have internal predecessors, (1443), 512 states have call successors, (512), 92 states have call predecessors, (512), 91 states have return successors, (505), 503 states have call predecessors, (505), 505 states have call successors, (505) [2023-11-26 10:46:48,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-26 10:46:48,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:48,082 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:48,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-26 10:46:48,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:48,088 INFO L85 PathProgramCache]: Analyzing trace with hash 699945918, now seen corresponding path program 1 times [2023-11-26 10:46:48,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:48,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934516505] [2023-11-26 10:46:48,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:48,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:48,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:46:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:48,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 10:46:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:46:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 10:46:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:46:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-26 10:46:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-26 10:46:49,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:49,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934516505] [2023-11-26 10:46:49,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934516505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:49,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:49,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:46:49,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665212392] [2023-11-26 10:46:49,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:49,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:46:49,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:49,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:46:49,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:46:49,129 INFO L87 Difference]: Start difference. First operand has 1652 states, 1046 states have (on average 1.3795411089866156) internal successors, (1443), 1058 states have internal predecessors, (1443), 512 states have call successors, (512), 92 states have call predecessors, (512), 91 states have return successors, (505), 503 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 10:46:56,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:56,246 INFO L93 Difference]: Finished difference Result 4859 states and 7368 transitions. [2023-11-26 10:46:56,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:46:56,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2023-11-26 10:46:56,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:56,300 INFO L225 Difference]: With dead ends: 4859 [2023-11-26 10:46:56,301 INFO L226 Difference]: Without dead ends: 3207 [2023-11-26 10:46:56,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:46:56,321 INFO L413 NwaCegarLoop]: 1608 mSDtfsCounter, 2755 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 1235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3222 SdHoareTripleChecker+Valid, 3698 SdHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1235 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:56,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3222 Valid, 3698 Invalid, 3787 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1235 Valid, 2552 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2023-11-26 10:46:56,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2023-11-26 10:46:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 3191. [2023-11-26 10:46:56,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3191 states, 2041 states have (on average 1.3723664870161685) internal successors, (2801), 2064 states have internal predecessors, (2801), 969 states have call successors, (969), 179 states have call predecessors, (969), 178 states have return successors, (965), 961 states have call predecessors, (965), 965 states have call successors, (965) [2023-11-26 10:46:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 3191 states and 4735 transitions. [2023-11-26 10:46:56,681 INFO L78 Accepts]: Start accepts. Automaton has 3191 states and 4735 transitions. Word has length 71 [2023-11-26 10:46:56,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:56,682 INFO L495 AbstractCegarLoop]: Abstraction has 3191 states and 4735 transitions. [2023-11-26 10:46:56,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 10:46:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3191 states and 4735 transitions. [2023-11-26 10:46:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 10:46:56,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:56,690 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:56,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:46:56,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-26 10:46:56,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:56,691 INFO L85 PathProgramCache]: Analyzing trace with hash 673939640, now seen corresponding path program 1 times [2023-11-26 10:46:56,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:56,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543448324] [2023-11-26 10:46:56,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:46:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 10:46:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:46:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 10:46:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:46:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:46:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-26 10:46:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:57,554 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-26 10:46:57,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:57,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543448324] [2023-11-26 10:46:57,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543448324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:57,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:57,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 10:46:57,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275284482] [2023-11-26 10:46:57,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:57,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:46:57,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:57,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:46:57,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:46:57,563 INFO L87 Difference]: Start difference. First operand 3191 states and 4735 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 10:47:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:47:08,781 INFO L93 Difference]: Finished difference Result 8291 states and 12330 transitions. [2023-11-26 10:47:08,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:47:08,782 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2023-11-26 10:47:08,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:47:08,825 INFO L225 Difference]: With dead ends: 8291 [2023-11-26 10:47:08,825 INFO L226 Difference]: Without dead ends: 5111 [2023-11-26 10:47:08,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-11-26 10:47:08,841 INFO L413 NwaCegarLoop]: 1581 mSDtfsCounter, 7400 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 5313 mSolverCounterSat, 3681 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8305 SdHoareTripleChecker+Valid, 4158 SdHoareTripleChecker+Invalid, 8994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3681 IncrementalHoareTripleChecker+Valid, 5313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:47:08,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8305 Valid, 4158 Invalid, 8994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3681 Valid, 5313 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2023-11-26 10:47:08,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5111 states. [2023-11-26 10:47:09,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5111 to 5045. [2023-11-26 10:47:09,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5045 states, 3288 states have (on average 1.3871654501216546) internal successors, (4561), 3325 states have internal predecessors, (4561), 1460 states have call successors, (1460), 297 states have call predecessors, (1460), 294 states have return successors, (1456), 1444 states have call predecessors, (1456), 1456 states have call successors, (1456) [2023-11-26 10:47:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5045 states to 5045 states and 7477 transitions. [2023-11-26 10:47:09,252 INFO L78 Accepts]: Start accepts. Automaton has 5045 states and 7477 transitions. Word has length 79 [2023-11-26 10:47:09,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:47:09,255 INFO L495 AbstractCegarLoop]: Abstraction has 5045 states and 7477 transitions. [2023-11-26 10:47:09,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 10:47:09,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5045 states and 7477 transitions. [2023-11-26 10:47:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 10:47:09,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:47:09,262 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:47:09,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:47:09,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-26 10:47:09,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:47:09,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1914492070, now seen corresponding path program 1 times [2023-11-26 10:47:09,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:47:09,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892112166] [2023-11-26 10:47:09,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:47:09,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:47:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 10:47:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-26 10:47:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 10:47:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 10:47:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:47:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-26 10:47:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-26 10:47:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:47:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-26 10:47:09,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:47:09,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892112166] [2023-11-26 10:47:09,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892112166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:47:09,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:47:09,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:47:09,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402757337] [2023-11-26 10:47:09,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:47:09,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:47:09,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:47:09,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:47:09,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:47:09,601 INFO L87 Difference]: Start difference. First operand 5045 states and 7477 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)