./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/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 3bc6b3a88723e5b624538f8d0e562bbcbb838c2bd2dcd71ae870bf42dcd3068b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:42:17,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:42:17,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 10:42:17,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:42:17,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:42:17,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:42:17,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:42:17,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:42:17,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:42:17,448 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:42:17,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:42:17,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:42:17,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:42:17,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:42:17,452 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:42:17,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:42:17,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:42:17,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:42:17,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:42:17,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:42:17,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:42:17,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:42:17,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:42:17,458 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:42:17,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:42:17,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:42:17,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:42:17,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:42:17,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:42:17,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:42:17,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:42:17,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:42:17,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:42:17,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:42:17,466 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:42:17,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:42:17,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:42:17,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:42:17,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:42:17,468 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc6b3a88723e5b624538f8d0e562bbcbb838c2bd2dcd71ae870bf42dcd3068b [2023-11-26 10:42:17,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:42:17,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:42:17,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:42:17,740 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:42:17,741 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:42:17,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-26 10:42:20,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:42:21,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:42:21,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-26 10:42:21,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/data/bca165385/5ff4d7b6550f4601beea6678c4eb9b7c/FLAGce39af507 [2023-11-26 10:42:21,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/data/bca165385/5ff4d7b6550f4601beea6678c4eb9b7c [2023-11-26 10:42:21,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:42:21,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:42:21,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:21,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:42:21,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:42:21,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:21" (1/1) ... [2023-11-26 10:42:21,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7de686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:21, skipping insertion in model container [2023-11-26 10:42:21,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:42:21" (1/1) ... [2023-11-26 10:42:22,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:42:25,420 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339479,339492] [2023-11-26 10:42:25,425 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339648,339661] [2023-11-26 10:42:25,426 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339815,339828] [2023-11-26 10:42:25,427 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339983,339996] [2023-11-26 10:42:25,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:25,515 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:42:25,745 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"); [5308] [2023-11-26 10:42:25,747 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)); [5315] [2023-11-26 10:42:25,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5322] [2023-11-26 10:42:25,753 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5377-5378] [2023-11-26 10:42:25,753 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"); [5383-5385] [2023-11-26 10:42:25,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5502] [2023-11-26 10:42:25,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5510] [2023-11-26 10:42:25,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5517] [2023-11-26 10:42:25,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5645-5646] [2023-11-26 10:42:25,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5679-5680] [2023-11-26 10:42:25,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5720-5721] [2023-11-26 10:42:25,784 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [5749-5750] [2023-11-26 10:42:25,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5786-5787] [2023-11-26 10:42:25,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5823-5824] [2023-11-26 10:42:25,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6769] [2023-11-26 10:42:25,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7540] [2023-11-26 10:42:25,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7550] [2023-11-26 10:42:25,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7565] [2023-11-26 10:42:25,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8351] [2023-11-26 10:42:25,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8384] [2023-11-26 10:42:25,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8407] [2023-11-26 10:42:25,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8648] [2023-11-26 10:42:25,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8678] [2023-11-26 10:42:25,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8691] [2023-11-26 10:42:26,098 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339479,339492] [2023-11-26 10:42:26,099 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339648,339661] [2023-11-26 10:42:26,100 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339815,339828] [2023-11-26 10:42:26,100 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_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339983,339996] [2023-11-26 10:42:26,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:42:26,343 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:42:26,344 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:42:26,354 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:42:26,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26 WrapperNode [2023-11-26 10:42:26,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:42:26,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:26,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:42:26,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:42:26,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:26,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:26,861 INFO L138 Inliner]: procedures = 433, calls = 2151, calls flagged for inlining = 207, calls inlined = 190, statements flattened = 6074 [2023-11-26 10:42:26,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:42:26,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:42:26,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:42:26,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:42:26,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:26,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:26,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:28,519 INFO L175 MemorySlicer]: Split 1006 memory accesses to 21 slices as follows [15, 3, 824, 4, 2, 7, 19, 2, 4, 7, 4, 7, 7, 1, 8, 2, 7, 1, 2, 70, 10]. 82 percent of accesses are in the largest equivalence class. The 296 initializations are split as follows [15, 0, 161, 4, 0, 7, 0, 0, 4, 0, 4, 0, 7, 0, 8, 0, 7, 1, 2, 70, 6]. The 244 writes are split as follows [0, 3, 223, 0, 1, 0, 11, 0, 0, 2, 0, 2, 0, 0, 0, 1, 0, 0, 0, 0, 1]. [2023-11-26 10:42:28,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:28,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:28,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:28,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:28,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:28,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:28,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:42:28,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:42:28,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:42:28,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:42:28,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (1/1) ... [2023-11-26 10:42:28,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:42:28,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:42:28,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:42:28,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e9df1c1-6fe8-4872-9bd4-62549236a8f9/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:42:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-26 10:42:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-26 10:42:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-26 10:42:28,899 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-26 10:42:28,899 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-26 10:42:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-26 10:42:28,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-26 10:42:28,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 10:42:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 10:42:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-26 10:42:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-26 10:42:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-26 10:42:28,901 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-26 10:42:28,901 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-26 10:42:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-26 10:42:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-26 10:42:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-26 10:42:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-26 10:42:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-26 10:42:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 10:42:28,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 10:42:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-26 10:42:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-26 10:42:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-26 10:42:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-26 10:42:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-26 10:42:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-26 10:42:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-26 10:42:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-26 10:42:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-26 10:42:28,954 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-26 10:42:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-26 10:42:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-26 10:42:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-26 10:42:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-26 10:42:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-26 10:42:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-26 10:42:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-26 10:42:28,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-26 10:42:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-26 10:42:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-26 10:42:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-26 10:42:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-26 10:42:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-26 10:42:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-26 10:42:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-26 10:42:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-26 10:42:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-26 10:42:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-26 10:42:28,956 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-26 10:42:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-26 10:42:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-26 10:42:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:42:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-26 10:42:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-26 10:42:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-26 10:42:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-26 10:42:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-26 10:42:28,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-26 10:42:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-26 10:42:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-26 10:42:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-26 10:42:28,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-26 10:42:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-26 10:42:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-26 10:42:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-26 10:42:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-26 10:42:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-26 10:42:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-26 10:42:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-26 10:42:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:42:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:42:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:42:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:42:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:42:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:42:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:42:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 10:42:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 10:42:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 10:42:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 10:42:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 10:42:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 10:42:28,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 10:42:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 10:42:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 10:42:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 10:42:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 10:42:28,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 10:42:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 10:42:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 10:42:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-26 10:42:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-26 10:42:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-26 10:42:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-26 10:42:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-26 10:42:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-26 10:42:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-26 10:42:28,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-26 10:42:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-26 10:42:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-26 10:42:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-26 10:42:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-26 10:42:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-26 10:42:28,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-26 10:42:28,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:42:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-26 10:42:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-26 10:42:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-26 10:42:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-26 10:42:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:42:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-26 10:42:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-26 10:42:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-26 10:42:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-26 10:42:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-26 10:42:28,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-26 10:42:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 10:42:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 10:42:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 10:42:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 10:42:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 10:42:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 10:42:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 10:42:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 10:42:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 10:42:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 10:42:28,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 10:42:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 10:42:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 10:42:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 10:42:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 10:42:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 10:42:28,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 10:42:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 10:42:28,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 10:42:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 10:42:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 10:42:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 10:42:28,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 10:42:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-26 10:42:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-26 10:42:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-26 10:42:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-26 10:42:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-26 10:42:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-26 10:42:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-26 10:42:28,991 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-26 10:42:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-26 10:42:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-26 10:42:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-26 10:42:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-26 10:42:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-26 10:42:28,992 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-26 10:42:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-26 10:42:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-26 10:42:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:42:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:42:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-26 10:42:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-26 10:42:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2023-11-26 10:42:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2023-11-26 10:42:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2023-11-26 10:42:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2023-11-26 10:42:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2023-11-26 10:42:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2023-11-26 10:42:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2023-11-26 10:42:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2023-11-26 10:42:28,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2023-11-26 10:42:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2023-11-26 10:42:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2023-11-26 10:42:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2023-11-26 10:42:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2023-11-26 10:42:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2023-11-26 10:42:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2023-11-26 10:42:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2023-11-26 10:42:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2023-11-26 10:42:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2023-11-26 10:42:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2023-11-26 10:42:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2023-11-26 10:42:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#20 [2023-11-26 10:42:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2023-11-26 10:42:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2023-11-26 10:42:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2023-11-26 10:42:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2023-11-26 10:42:28,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2023-11-26 10:42:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2023-11-26 10:42:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2023-11-26 10:42:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2023-11-26 10:42:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2023-11-26 10:42:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2023-11-26 10:42:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2023-11-26 10:42:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2023-11-26 10:42:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2023-11-26 10:42:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2023-11-26 10:42:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2023-11-26 10:42:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2023-11-26 10:42:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2023-11-26 10:42:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2023-11-26 10:42:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2023-11-26 10:42:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2023-11-26 10:42:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#20 [2023-11-26 10:42:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-26 10:42:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-26 10:42:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-26 10:42:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-26 10:42:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-26 10:42:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-26 10:42:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-26 10:42:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-26 10:42:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-26 10:42:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-26 10:42:29,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-26 10:42:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-26 10:42:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-26 10:42:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-26 10:42:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-26 10:42:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-26 10:42:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-26 10:42:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-26 10:42:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-26 10:42:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-26 10:42:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-26 10:42:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-26 10:42:29,012 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-26 10:42:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-26 10:42:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-26 10:42:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-26 10:42:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-26 10:42:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-26 10:42:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-26 10:42:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-26 10:42:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-26 10:42:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-26 10:42:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-26 10:42:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-26 10:42:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-26 10:42:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-26 10:42:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-26 10:42:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-26 10:42:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-26 10:42:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-26 10:42:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-26 10:42:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-26 10:42:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-26 10:42:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-26 10:42:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 10:42:29,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 10:42:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-26 10:42:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-26 10:42:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-26 10:42:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-26 10:42:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-26 10:42:29,017 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-26 10:42:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-26 10:42:29,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-26 10:42:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-26 10:42:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-26 10:42:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-26 10:42:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-26 10:42:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-26 10:42:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-26 10:42:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-26 10:42:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-26 10:42:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-26 10:42:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-26 10:42:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-26 10:42:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-26 10:42:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-26 10:42:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-26 10:42:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-26 10:42:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-26 10:42:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-26 10:42:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-26 10:42:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-26 10:42:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-26 10:42:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-26 10:42:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-26 10:42:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-26 10:42:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-26 10:42:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-26 10:42:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-26 10:42:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-26 10:42:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-26 10:42:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-26 10:42:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-26 10:42:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-26 10:42:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-26 10:42:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-26 10:42:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-26 10:42:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-26 10:42:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-26 10:42:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-26 10:42:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-26 10:42:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-26 10:42:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-26 10:42:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-26 10:42:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-26 10:42:29,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-26 10:42:29,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-26 10:42:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-26 10:42:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-26 10:42:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-26 10:42:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-26 10:42:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-26 10:42:29,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-26 10:42:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:42:29,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 10:42:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 10:42:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 10:42:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 10:42:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 10:42:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 10:42:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 10:42:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 10:42:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 10:42:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 10:42:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 10:42:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 10:42:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 10:42:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 10:42:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 10:42:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 10:42:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 10:42:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 10:42:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 10:42:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 10:42:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 10:42:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-26 10:42:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-26 10:42:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 10:42:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 10:42:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 10:42:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 10:42:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 10:42:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 10:42:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 10:42:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 10:42:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 10:42:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 10:42:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 10:42:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 10:42:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 10:42:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 10:42:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 10:42:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 10:42:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 10:42:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 10:42:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 10:42:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 10:42:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 10:42:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 10:42:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 10:42:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-26 10:42:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-26 10:42:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-26 10:42:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-26 10:42:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-26 10:42:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-26 10:42:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-26 10:42:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-26 10:42:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-26 10:42:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-26 10:42:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-26 10:42:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-26 10:42:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2023-11-26 10:42:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2023-11-26 10:42:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-26 10:42:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-26 10:42:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-26 10:42:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-26 10:42:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-26 10:42:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-26 10:42:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-26 10:42:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-26 10:42:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:42:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:42:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:42:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:42:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:42:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:42:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:42:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 10:42:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 10:42:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 10:42:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 10:42:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 10:42:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 10:42:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 10:42:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 10:42:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 10:42:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 10:42:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 10:42:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 10:42:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 10:42:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 10:42:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 10:42:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 10:42:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-26 10:42:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-26 10:42:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2023-11-26 10:42:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2023-11-26 10:42:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-26 10:42:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-26 10:42:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-26 10:42:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-26 10:42:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-26 10:42:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-26 10:42:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-26 10:42:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-26 10:42:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:42:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:42:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:42:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:42:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:42:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:42:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:42:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 10:42:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 10:42:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 10:42:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 10:42:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 10:42:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 10:42:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 10:42:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 10:42:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 10:42:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 10:42:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 10:42:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 10:42:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 10:42:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 10:42:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-26 10:42:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-26 10:42:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-26 10:42:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-26 10:42:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-26 10:42:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-26 10:42:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-26 10:42:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-26 10:42:30,210 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:42:30,216 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:42:30,460 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 10:42:36,095 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:42:36,702 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:42:36,703 INFO L309 CfgBuilder]: Removed 21 assume(true) statements. [2023-11-26 10:42:36,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:36 BoogieIcfgContainer [2023-11-26 10:42:36,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:42:36,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:42:36,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:42:36,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:42:36,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:42:21" (1/3) ... [2023-11-26 10:42:36,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4125ef39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:42:36, skipping insertion in model container [2023-11-26 10:42:36,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:42:26" (2/3) ... [2023-11-26 10:42:36,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4125ef39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:42:36, skipping insertion in model container [2023-11-26 10:42:36,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:42:36" (3/3) ... [2023-11-26 10:42:36,714 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-26 10:42:36,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:42:36,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-26 10:42:36,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:42:36,851 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;@63b5420a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:42:36,851 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-26 10:42:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 2154 states, 1458 states have (on average 1.4691358024691359) internal successors, (2142), 1501 states have internal predecessors, (2142), 604 states have call successors, (604), 89 states have call predecessors, (604), 88 states have return successors, (600), 589 states have call predecessors, (600), 600 states have call successors, (600) [2023-11-26 10:42:36,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-26 10:42:36,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:36,878 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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 10:42:36,879 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 10:42:36,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:36,886 INFO L85 PathProgramCache]: Analyzing trace with hash 196794226, now seen corresponding path program 1 times [2023-11-26 10:42:36,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:36,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445181435] [2023-11-26 10:42:36,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:36,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 10:42:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:42:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:42:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 10:42:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-26 10:42:37,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:37,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445181435] [2023-11-26 10:42:37,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445181435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:37,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:37,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:42:37,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244177616] [2023-11-26 10:42:37,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:37,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:42:37,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:37,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:42:37,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:42:37,858 INFO L87 Difference]: Start difference. First operand has 2154 states, 1458 states have (on average 1.4691358024691359) internal successors, (2142), 1501 states have internal predecessors, (2142), 604 states have call successors, (604), 89 states have call predecessors, (604), 88 states have return successors, (600), 589 states have call predecessors, (600), 600 states have call successors, (600) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-26 10:42:39,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:42:40,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:40,442 INFO L93 Difference]: Finished difference Result 4285 states and 6804 transitions. [2023-11-26 10:42:40,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:42:40,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2023-11-26 10:42:40,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:40,480 INFO L225 Difference]: With dead ends: 4285 [2023-11-26 10:42:40,480 INFO L226 Difference]: Without dead ends: 2143 [2023-11-26 10:42:40,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:42:40,507 INFO L413 NwaCegarLoop]: 3120 mSDtfsCounter, 553 mSDsluCounter, 2497 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 5617 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:40,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 5617 Invalid, 283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-26 10:42:40,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2143 states. [2023-11-26 10:42:40,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2143 to 2143. [2023-11-26 10:42:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2143 states, 1453 states have (on average 1.434273916035788) internal successors, (2084), 1495 states have internal predecessors, (2084), 600 states have call successors, (600), 88 states have call predecessors, (600), 87 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2023-11-26 10:42:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 2143 states and 3281 transitions. [2023-11-26 10:42:40,783 INFO L78 Accepts]: Start accepts. Automaton has 2143 states and 3281 transitions. Word has length 26 [2023-11-26 10:42:40,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:40,784 INFO L495 AbstractCegarLoop]: Abstraction has 2143 states and 3281 transitions. [2023-11-26 10:42:40,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-26 10:42:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 3281 transitions. [2023-11-26 10:42:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-26 10:42:40,787 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:40,788 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:40,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:42:40,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 10:42:40,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:40,790 INFO L85 PathProgramCache]: Analyzing trace with hash 347672742, now seen corresponding path program 1 times [2023-11-26 10:42:40,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:40,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272675475] [2023-11-26 10:42:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:40,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:42:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:42:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:42:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:42:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:41,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:42:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-26 10:42:41,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:41,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272675475] [2023-11-26 10:42:41,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272675475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:41,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:41,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:41,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422474499] [2023-11-26 10:42:41,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:41,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:42:41,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:41,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:41,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:41,673 INFO L87 Difference]: Start difference. First operand 2143 states and 3281 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 10:42:43,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:42:44,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:42:46,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:46,414 INFO L93 Difference]: Finished difference Result 2149 states and 3286 transitions. [2023-11-26 10:42:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:46,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2023-11-26 10:42:46,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:46,442 INFO L225 Difference]: With dead ends: 2149 [2023-11-26 10:42:46,442 INFO L226 Difference]: Without dead ends: 2147 [2023-11-26 10:42:46,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:42:46,447 INFO L413 NwaCegarLoop]: 3104 mSDtfsCounter, 3262 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3274 SdHoareTripleChecker+Valid, 9297 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:46,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3274 Valid, 9297 Invalid, 544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-26 10:42:46,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2023-11-26 10:42:46,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2147. [2023-11-26 10:42:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2147 states, 1456 states have (on average 1.433379120879121) internal successors, (2087), 1498 states have internal predecessors, (2087), 600 states have call successors, (600), 89 states have call predecessors, (600), 88 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2023-11-26 10:42:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 3284 transitions. [2023-11-26 10:42:46,675 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 3284 transitions. Word has length 37 [2023-11-26 10:42:46,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:46,678 INFO L495 AbstractCegarLoop]: Abstraction has 2147 states and 3284 transitions. [2023-11-26 10:42:46,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 10:42:46,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 3284 transitions. [2023-11-26 10:42:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-26 10:42:46,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:46,684 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:46,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:42:46,685 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 10:42:46,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:46,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1016105986, now seen corresponding path program 1 times [2023-11-26 10:42:46,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:46,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265270074] [2023-11-26 10:42:46,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:46,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:42:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:42:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:42:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:42:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:42:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 10:42:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-26 10:42:47,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:47,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265270074] [2023-11-26 10:42:47,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265270074] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:47,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:47,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:47,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562615940] [2023-11-26 10:42:47,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:47,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:42:47,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:47,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:47,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:47,322 INFO L87 Difference]: Start difference. First operand 2147 states and 3284 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:42:50,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:42:51,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:51,342 INFO L93 Difference]: Finished difference Result 2153 states and 3289 transitions. [2023-11-26 10:42:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:51,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-11-26 10:42:51,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:51,366 INFO L225 Difference]: With dead ends: 2153 [2023-11-26 10:42:51,367 INFO L226 Difference]: Without dead ends: 2151 [2023-11-26 10:42:51,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:42:51,371 INFO L413 NwaCegarLoop]: 3107 mSDtfsCounter, 3257 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:51,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 9300 Invalid, 544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-26 10:42:51,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2023-11-26 10:42:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 2151. [2023-11-26 10:42:51,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2151 states, 1459 states have (on average 1.4324880054832076) internal successors, (2090), 1501 states have internal predecessors, (2090), 600 states have call successors, (600), 90 states have call predecessors, (600), 89 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2023-11-26 10:42:51,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 2151 states and 3287 transitions. [2023-11-26 10:42:51,561 INFO L78 Accepts]: Start accepts. Automaton has 2151 states and 3287 transitions. Word has length 42 [2023-11-26 10:42:51,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:51,562 INFO L495 AbstractCegarLoop]: Abstraction has 2151 states and 3287 transitions. [2023-11-26 10:42:51,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:42:51,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 3287 transitions. [2023-11-26 10:42:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-26 10:42:51,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:51,565 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:51,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:42:51,566 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 10:42:51,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1552318310, now seen corresponding path program 1 times [2023-11-26 10:42:51,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:51,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225609999] [2023-11-26 10:42:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:51,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:42:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:42:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:42:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:42:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:42:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 10:42:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 10:42:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:52,215 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 10:42:52,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:52,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225609999] [2023-11-26 10:42:52,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225609999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:52,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:52,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:52,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087555350] [2023-11-26 10:42:52,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:52,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:42:52,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:52,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:52,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:52,218 INFO L87 Difference]: Start difference. First operand 2151 states and 3287 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 10:42:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:54,852 INFO L93 Difference]: Finished difference Result 2157 states and 3292 transitions. [2023-11-26 10:42:54,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:54,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-11-26 10:42:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:54,873 INFO L225 Difference]: With dead ends: 2157 [2023-11-26 10:42:54,874 INFO L226 Difference]: Without dead ends: 2155 [2023-11-26 10:42:54,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:42:54,880 INFO L413 NwaCegarLoop]: 3107 mSDtfsCounter, 3257 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:54,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 9300 Invalid, 544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-26 10:42:54,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2023-11-26 10:42:55,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2155. [2023-11-26 10:42:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 1462 states have (on average 1.4316005471956224) internal successors, (2093), 1504 states have internal predecessors, (2093), 600 states have call successors, (600), 91 states have call predecessors, (600), 90 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2023-11-26 10:42:55,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 3290 transitions. [2023-11-26 10:42:55,064 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 3290 transitions. Word has length 47 [2023-11-26 10:42:55,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:55,066 INFO L495 AbstractCegarLoop]: Abstraction has 2155 states and 3290 transitions. [2023-11-26 10:42:55,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 10:42:55,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 3290 transitions. [2023-11-26 10:42:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-26 10:42:55,073 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:55,073 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:55,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:42:55,074 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 10:42:55,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:55,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1353936062, now seen corresponding path program 1 times [2023-11-26 10:42:55,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:55,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773511218] [2023-11-26 10:42:55,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:55,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:42:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:42:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:42:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:42:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:42:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 10:42:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 10:42:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:42:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-26 10:42:55,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:55,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773511218] [2023-11-26 10:42:55,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773511218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:55,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:55,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:55,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140122531] [2023-11-26 10:42:55,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:55,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:42:55,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:55,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:55,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:55,614 INFO L87 Difference]: Start difference. First operand 2155 states and 3290 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:42:57,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 10:42:59,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:42:59,016 INFO L93 Difference]: Finished difference Result 2161 states and 3295 transitions. [2023-11-26 10:42:59,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:42:59,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2023-11-26 10:42:59,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:42:59,043 INFO L225 Difference]: With dead ends: 2161 [2023-11-26 10:42:59,043 INFO L226 Difference]: Without dead ends: 2159 [2023-11-26 10:42:59,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:42:59,048 INFO L413 NwaCegarLoop]: 3107 mSDtfsCounter, 3257 mSDsluCounter, 6193 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3266 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:42:59,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3266 Valid, 9300 Invalid, 544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-26 10:42:59,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2159 states. [2023-11-26 10:42:59,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2159 to 2159. [2023-11-26 10:42:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 1465 states have (on average 1.430716723549488) internal successors, (2096), 1507 states have internal predecessors, (2096), 600 states have call successors, (600), 92 states have call predecessors, (600), 91 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2023-11-26 10:42:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 3293 transitions. [2023-11-26 10:42:59,227 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 3293 transitions. Word has length 52 [2023-11-26 10:42:59,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:42:59,228 INFO L495 AbstractCegarLoop]: Abstraction has 2159 states and 3293 transitions. [2023-11-26 10:42:59,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:42:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 3293 transitions. [2023-11-26 10:42:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-26 10:42:59,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:42:59,231 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:42:59,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:42:59,231 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 10:42:59,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:42:59,232 INFO L85 PathProgramCache]: Analyzing trace with hash 450506278, now seen corresponding path program 1 times [2023-11-26 10:42:59,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:42:59,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930135617] [2023-11-26 10:42:59,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:42:59,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:42:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:42:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:42:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:42:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:42:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:42:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:42:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-26 10:42:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 10:42:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 10:42:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-26 10:42:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:42:59,852 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-26 10:42:59,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:42:59,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930135617] [2023-11-26 10:42:59,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930135617] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:42:59,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:42:59,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:42:59,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736028790] [2023-11-26 10:42:59,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:59,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:42:59,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:42:59,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:42:59,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:42:59,856 INFO L87 Difference]: Start difference. First operand 2159 states and 3293 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-26 10:43:03,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:03,182 INFO L93 Difference]: Finished difference Result 2212 states and 3346 transitions. [2023-11-26 10:43:03,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:43:03,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 57 [2023-11-26 10:43:03,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:03,205 INFO L225 Difference]: With dead ends: 2212 [2023-11-26 10:43:03,205 INFO L226 Difference]: Without dead ends: 2210 [2023-11-26 10:43:03,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:43:03,208 INFO L413 NwaCegarLoop]: 3109 mSDtfsCounter, 949 mSDsluCounter, 8474 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 11583 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:03,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 11583 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-26 10:43:03,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2023-11-26 10:43:03,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2210. [2023-11-26 10:43:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 1497 states have (on average 1.426185704742819) internal successors, (2135), 1539 states have internal predecessors, (2135), 606 states have call successors, (606), 105 states have call predecessors, (606), 104 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2023-11-26 10:43:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 3344 transitions. [2023-11-26 10:43:03,480 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 3344 transitions. Word has length 57 [2023-11-26 10:43:03,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:03,483 INFO L495 AbstractCegarLoop]: Abstraction has 2210 states and 3344 transitions. [2023-11-26 10:43:03,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-26 10:43:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3344 transitions. [2023-11-26 10:43:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-26 10:43:03,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:03,487 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:03,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:43:03,487 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 10:43:03,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:03,488 INFO L85 PathProgramCache]: Analyzing trace with hash 896950775, now seen corresponding path program 1 times [2023-11-26 10:43:03,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:03,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943252742] [2023-11-26 10:43:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:03,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 10:43:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 10:43:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 10:43:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-26 10:43:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-26 10:43:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 10:43:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-26 10:43:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-26 10:43:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-26 10:43:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-26 10:43:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-26 10:43:04,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:04,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943252742] [2023-11-26 10:43:04,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943252742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:04,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:04,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:04,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544024927] [2023-11-26 10:43:04,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:04,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:43:04,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:04,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:43:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:04,183 INFO L87 Difference]: Start difference. First operand 2210 states and 3344 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)