./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC --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 b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:20:01,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:20:01,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:20:01,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:20:01,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:20:01,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:20:01,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:20:01,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:20:01,640 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:20:01,640 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:20:01,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:20:01,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:20:01,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:20:01,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:20:01,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:20:01,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:20:01,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:20:01,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:20:01,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:20:01,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:20:01,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:20:01,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:20:01,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:20:01,645 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:20:01,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:20:01,645 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:20:01,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:20:01,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:20:01,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:20:01,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:20:01,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:20:01,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:20:01,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:20:01,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:20:01,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:20:01,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:20:01,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:20:01,647 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:20:01,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:20:01,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:20:01,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:20:01,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:20:01,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:20:01,648 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:20:01,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:20:01,648 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC 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 -> b230ba173626e1a1717879ee489b2ae4510c44810563ac66116e22604ac558a2 [2024-11-24 01:20:01,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:20:01,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:20:01,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:20:01,963 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:20:01,963 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:20:01,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-24 01:20:05,000 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/data/21435c767/2276f5c6387f4bcfab40d05719b4a7ef/FLAGa3b75b35b [2024-11-24 01:20:05,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:20:05,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-24 01:20:05,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/data/21435c767/2276f5c6387f4bcfab40d05719b4a7ef/FLAGa3b75b35b [2024-11-24 01:20:05,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/data/21435c767/2276f5c6387f4bcfab40d05719b4a7ef [2024-11-24 01:20:05,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:20:05,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:20:06,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:20:06,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:20:06,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:20:06,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:20:05" (1/1) ... [2024-11-24 01:20:06,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5221e2f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:06, skipping insertion in model container [2024-11-24 01:20:06,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:20:05" (1/1) ... [2024-11-24 01:20:06,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:20:08,899 WARN L250 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2024-11-24 01:20:08,903 WARN L250 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2024-11-24 01:20:08,908 WARN L250 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2024-11-24 01:20:08,909 WARN L250 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2024-11-24 01:20:08,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:20:08,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:20:09,154 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"); [5242] [2024-11-24 01:20:09,158 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)); [5249] [2024-11-24 01:20:09,159 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5256] [2024-11-24 01:20:09,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5293-5294] [2024-11-24 01:20:09,164 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"); [5299-5301] [2024-11-24 01:20:09,181 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)); [5454-5455] [2024-11-24 01:20:09,185 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)); [5488-5489] [2024-11-24 01:20:09,402 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7248] [2024-11-24 01:20:09,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7500] [2024-11-24 01:20:09,602 WARN L250 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2024-11-24 01:20:09,602 WARN L250 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2024-11-24 01:20:09,603 WARN L250 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2024-11-24 01:20:09,604 WARN L250 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_7e6df56f-db42-444c-941f-c7b9a1e62c3f/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2024-11-24 01:20:09,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:20:09,891 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:20:09,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09 WrapperNode [2024-11-24 01:20:09,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:20:09,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:20:09,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:20:09,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:20:09,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:09,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:10,213 INFO L138 Inliner]: procedures = 411, calls = 1715, calls flagged for inlining = 195, calls inlined = 178, statements flattened = 4739 [2024-11-24 01:20:10,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:20:10,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:20:10,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:20:10,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:20:10,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:10,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:10,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,446 INFO L175 MemorySlicer]: Split 777 memory accesses to 14 slices as follows [631, 2, 8, 8, 1, 2, 1, 55, 5, 5, 52, 3, 2, 2]. 81 percent of accesses are in the largest equivalence class. The 52 initializations are split as follows [22, 0, 8, 8, 1, 2, 0, 0, 5, 5, 0, 1, 0, 0]. The 402 writes are split as follows [302, 1, 0, 0, 0, 0, 0, 55, 0, 0, 42, 0, 1, 1]. [2024-11-24 01:20:11,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,643 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:20:11,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:20:11,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:20:11,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:20:11,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (1/1) ... [2024-11-24 01:20:11,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:20:11,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:20:11,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:20:11,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6df56f-db42-444c-941f-c7b9a1e62c3f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:20:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 01:20:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 01:20:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:20:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:20:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-24 01:20:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-24 01:20:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 01:20:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 01:20:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:20:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:20:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:20:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:20:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 01:20:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 01:20:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-11-24 01:20:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-11-24 01:20:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-24 01:20:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-24 01:20:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-24 01:20:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-24 01:20:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-24 01:20:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-24 01:20:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-11-24 01:20:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-11-24 01:20:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2024-11-24 01:20:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2024-11-24 01:20:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-24 01:20:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-24 01:20:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 01:20:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 01:20:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 01:20:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 01:20:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-24 01:20:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-24 01:20:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 01:20:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 01:20:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 01:20:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 01:20:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-24 01:20:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-24 01:20:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:20:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2024-11-24 01:20:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2024-11-24 01:20:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 01:20:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-24 01:20:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 01:20:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 01:20:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:20:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:20:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:20:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:20:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:20:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 01:20:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2024-11-24 01:20:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2024-11-24 01:20:11,917 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:20:11,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:20:11,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:20:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:20:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:20:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:20:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2024-11-24 01:20:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2024-11-24 01:20:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 01:20:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 01:20:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:20:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:20:11,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:20:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 01:20:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 01:20:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 01:20:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 01:20:11,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 01:20:11,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-24 01:20:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-24 01:20:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 01:20:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 01:20:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 01:20:11,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 01:20:11,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-24 01:20:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-24 01:20:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 01:20:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 01:20:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2024-11-24 01:20:11,924 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2024-11-24 01:20:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:20:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:20:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2024-11-24 01:20:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2024-11-24 01:20:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:20:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 01:20:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 01:20:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 01:20:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 01:20:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:20:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2024-11-24 01:20:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2024-11-24 01:20:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 01:20:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 01:20:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:20:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:20:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:20:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:20:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:20:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-24 01:20:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 01:20:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-24 01:20:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 01:20:11,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 01:20:11,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-11-24 01:20:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-11-24 01:20:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:20:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:20:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2024-11-24 01:20:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2024-11-24 01:20:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2024-11-24 01:20:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:20:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:20:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:20:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-24 01:20:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2024-11-24 01:20:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-24 01:20:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-24 01:20:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-24 01:20:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-24 01:20:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 01:20:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-24 01:20:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2024-11-24 01:20:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2024-11-24 01:20:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 01:20:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-24 01:20:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:20:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:20:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:20:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:20:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:20:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-24 01:20:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-24 01:20:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:20:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:20:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 01:20:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 01:20:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 01:20:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 01:20:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2024-11-24 01:20:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2024-11-24 01:20:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 01:20:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 01:20:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2024-11-24 01:20:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2024-11-24 01:20:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2024-11-24 01:20:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2024-11-24 01:20:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:20:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:20:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2024-11-24 01:20:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2024-11-24 01:20:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 01:20:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-24 01:20:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-24 01:20:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2024-11-24 01:20:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:20:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:20:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:20:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:20:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:20:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:20:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:20:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 01:20:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 01:20:13,079 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:20:13,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:20:13,783 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:20:28,604 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 01:20:29,481 INFO L? ?]: Removed 2237 outVars from TransFormulas that were not future-live. [2024-11-24 01:20:29,481 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:20:29,547 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:20:29,551 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:20:29,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:20:29 BoogieIcfgContainer [2024-11-24 01:20:29,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:20:29,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:20:29,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:20:29,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:20:29,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:20:05" (1/3) ... [2024-11-24 01:20:29,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9600df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:20:29, skipping insertion in model container [2024-11-24 01:20:29,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:09" (2/3) ... [2024-11-24 01:20:29,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9600df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:20:29, skipping insertion in model container [2024-11-24 01:20:29,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:20:29" (3/3) ... [2024-11-24 01:20:29,562 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-24 01:20:29,579 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:20:29,582 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i that has 96 procedures, 1880 locations, 1 initial locations, 28 loop locations, and 3 error locations. [2024-11-24 01:20:29,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:20:29,735 INFO L333 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, 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;@6edf274f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:20:29,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 01:20:29,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 1813 states, 1299 states have (on average 1.3287143956889915) internal successors, (1726), 1322 states have internal predecessors, (1726), 430 states have call successors, (430), 82 states have call predecessors, (430), 81 states have return successors, (424), 418 states have call predecessors, (424), 424 states have call successors, (424) [2024-11-24 01:20:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:20:29,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:29,770 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:20:29,770 INFO L396 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)] === [2024-11-24 01:20:29,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:29,777 INFO L85 PathProgramCache]: Analyzing trace with hash -350460708, now seen corresponding path program 1 times [2024-11-24 01:20:29,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:20:29,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216096500] [2024-11-24 01:20:29,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:29,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:20:37,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:20:37,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216096500] [2024-11-24 01:20:37,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216096500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:20:37,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:20:37,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:20:37,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668535789] [2024-11-24 01:20:37,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:37,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:20:37,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:20:37,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:20:37,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:20:37,331 INFO L87 Difference]: Start difference. First operand has 1813 states, 1299 states have (on average 1.3287143956889915) internal successors, (1726), 1322 states have internal predecessors, (1726), 430 states have call successors, (430), 82 states have call predecessors, (430), 81 states have return successors, (424), 418 states have call predecessors, (424), 424 states have call successors, (424) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:20:41,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:20:42,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:42,535 INFO L93 Difference]: Finished difference Result 5280 states and 7706 transitions. [2024-11-24 01:20:42,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:20:42,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2024-11-24 01:20:42,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:42,599 INFO L225 Difference]: With dead ends: 5280 [2024-11-24 01:20:42,599 INFO L226 Difference]: Without dead ends: 3480 [2024-11-24 01:20:42,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:20:42,630 INFO L435 NwaCegarLoop]: 2566 mSDtfsCounter, 2413 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 5039 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:20:42,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 5039 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 01:20:42,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2024-11-24 01:20:43,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 3476. [2024-11-24 01:20:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3476 states, 2512 states have (on average 1.3085191082802548) internal successors, (3287), 2557 states have internal predecessors, (3287), 803 states have call successors, (803), 159 states have call predecessors, (803), 158 states have return successors, (799), 787 states have call predecessors, (799), 799 states have call successors, (799) [2024-11-24 01:20:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4889 transitions. [2024-11-24 01:20:43,080 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4889 transitions. Word has length 127 [2024-11-24 01:20:43,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:43,083 INFO L471 AbstractCegarLoop]: Abstraction has 3476 states and 4889 transitions. [2024-11-24 01:20:43,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:20:43,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4889 transitions. [2024-11-24 01:20:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:20:43,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:43,091 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:20:43,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:20:43,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:20:43,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:43,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1917619709, now seen corresponding path program 1 times [2024-11-24 01:20:43,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:20:43,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787644068] [2024-11-24 01:20:43,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:43,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:20:49,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:20:49,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787644068] [2024-11-24 01:20:49,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787644068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:20:49,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:20:49,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:20:49,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189423117] [2024-11-24 01:20:49,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:49,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:20:49,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:20:49,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:20:49,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:20:49,015 INFO L87 Difference]: Start difference. First operand 3476 states and 4889 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 01:20:53,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:20:54,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:54,187 INFO L93 Difference]: Finished difference Result 10282 states and 14479 transitions. [2024-11-24 01:20:54,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:20:54,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 131 [2024-11-24 01:20:54,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:54,262 INFO L225 Difference]: With dead ends: 10282 [2024-11-24 01:20:54,262 INFO L226 Difference]: Without dead ends: 6829 [2024-11-24 01:20:54,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:20:54,286 INFO L435 NwaCegarLoop]: 2559 mSDtfsCounter, 2466 mSDsluCounter, 2469 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 5028 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:20:54,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 5028 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-24 01:20:54,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6829 states. [2024-11-24 01:20:54,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6829 to 6799. [2024-11-24 01:20:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6799 states, 4934 states have (on average 1.3115119578435346) internal successors, (6471), 5028 states have internal predecessors, (6471), 1551 states have call successors, (1551), 316 states have call predecessors, (1551), 311 states have return successors, (1553), 1510 states have call predecessors, (1553), 1547 states have call successors, (1553) [2024-11-24 01:20:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 9575 transitions. [2024-11-24 01:20:54,690 INFO L78 Accepts]: Start accepts. Automaton has 6799 states and 9575 transitions. Word has length 131 [2024-11-24 01:20:54,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:54,691 INFO L471 AbstractCegarLoop]: Abstraction has 6799 states and 9575 transitions. [2024-11-24 01:20:54,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 01:20:54,691 INFO L276 IsEmpty]: Start isEmpty. Operand 6799 states and 9575 transitions. [2024-11-24 01:20:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:20:54,696 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:54,696 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:20:54,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:20:54,697 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:20:54,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:54,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1799052014, now seen corresponding path program 1 times [2024-11-24 01:20:54,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:20:54,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279530347] [2024-11-24 01:20:54,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:54,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:21:00,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:00,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279530347] [2024-11-24 01:21:00,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279530347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:21:00,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:21:00,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:21:00,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960645650] [2024-11-24 01:21:00,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:21:00,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:21:00,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:21:00,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:21:00,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:00,576 INFO L87 Difference]: Start difference. First operand 6799 states and 9575 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 01:21:04,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:21:05,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:05,610 INFO L93 Difference]: Finished difference Result 19521 states and 27407 transitions. [2024-11-24 01:21:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:21:05,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 131 [2024-11-24 01:21:05,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:05,730 INFO L225 Difference]: With dead ends: 19521 [2024-11-24 01:21:05,731 INFO L226 Difference]: Without dead ends: 12745 [2024-11-24 01:21:05,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:05,771 INFO L435 NwaCegarLoop]: 2577 mSDtfsCounter, 2213 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 5038 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:05,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 5038 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 01:21:05,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12745 states. [2024-11-24 01:21:06,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12745 to 12711. [2024-11-24 01:21:06,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12711 states, 9200 states have (on average 1.304891304347826) internal successors, (12005), 9386 states have internal predecessors, (12005), 2899 states have call successors, (2899), 622 states have call predecessors, (2899), 609 states have return successors, (2909), 2810 states have call predecessors, (2909), 2895 states have call successors, (2909) [2024-11-24 01:21:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12711 states to 12711 states and 17813 transitions. [2024-11-24 01:21:06,507 INFO L78 Accepts]: Start accepts. Automaton has 12711 states and 17813 transitions. Word has length 131 [2024-11-24 01:21:06,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:06,509 INFO L471 AbstractCegarLoop]: Abstraction has 12711 states and 17813 transitions. [2024-11-24 01:21:06,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 01:21:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 12711 states and 17813 transitions. [2024-11-24 01:21:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 01:21:06,515 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:06,515 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:21:06,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:21:06,517 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:21:06,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:06,518 INFO L85 PathProgramCache]: Analyzing trace with hash 168798604, now seen corresponding path program 1 times [2024-11-24 01:21:06,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:06,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211086313] [2024-11-24 01:21:06,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:06,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:21:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:21:12,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:12,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211086313] [2024-11-24 01:21:12,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211086313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:21:12,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:21:12,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:21:12,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858764972] [2024-11-24 01:21:12,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:21:12,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:21:12,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:21:12,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:21:12,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:12,994 INFO L87 Difference]: Start difference. First operand 12711 states and 17813 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:21:17,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:21:19,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:19,089 INFO L93 Difference]: Finished difference Result 24964 states and 34968 transitions. [2024-11-24 01:21:19,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:21:19,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 137 [2024-11-24 01:21:19,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:19,201 INFO L225 Difference]: With dead ends: 24964 [2024-11-24 01:21:19,203 INFO L226 Difference]: Without dead ends: 12276 [2024-11-24 01:21:19,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:19,262 INFO L435 NwaCegarLoop]: 2868 mSDtfsCounter, 1732 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 5330 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:19,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 5330 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-24 01:21:19,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12276 states. [2024-11-24 01:21:19,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12276 to 12244. [2024-11-24 01:21:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12244 states, 9014 states have (on average 1.3127357443976038) internal successors, (11833), 9187 states have internal predecessors, (11833), 2607 states have call successors, (2607), 631 states have call predecessors, (2607), 620 states have return successors, (2610), 2518 states have call predecessors, (2610), 2603 states have call successors, (2610) [2024-11-24 01:21:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12244 states to 12244 states and 17050 transitions. [2024-11-24 01:21:19,967 INFO L78 Accepts]: Start accepts. Automaton has 12244 states and 17050 transitions. Word has length 137 [2024-11-24 01:21:19,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:19,968 INFO L471 AbstractCegarLoop]: Abstraction has 12244 states and 17050 transitions. [2024-11-24 01:21:19,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:21:19,969 INFO L276 IsEmpty]: Start isEmpty. Operand 12244 states and 17050 transitions. [2024-11-24 01:21:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-24 01:21:19,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:19,975 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:21:19,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:21:19,975 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:21:19,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:19,976 INFO L85 PathProgramCache]: Analyzing trace with hash 933209158, now seen corresponding path program 1 times [2024-11-24 01:21:19,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:19,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029975123] [2024-11-24 01:21:19,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:19,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:21:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:21:26,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:26,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029975123] [2024-11-24 01:21:26,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029975123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:21:26,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:21:26,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:21:26,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028752451] [2024-11-24 01:21:26,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:21:26,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:21:26,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:21:26,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:21:26,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:26,279 INFO L87 Difference]: Start difference. First operand 12244 states and 17050 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:21:30,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:21:32,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:32,043 INFO L93 Difference]: Finished difference Result 31797 states and 44281 transitions. [2024-11-24 01:21:32,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:21:32,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 140 [2024-11-24 01:21:32,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:32,178 INFO L225 Difference]: With dead ends: 31797 [2024-11-24 01:21:32,178 INFO L226 Difference]: Without dead ends: 19576 [2024-11-24 01:21:32,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:32,222 INFO L435 NwaCegarLoop]: 2545 mSDtfsCounter, 2272 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2272 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:32,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 5002 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-24 01:21:32,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19576 states. [2024-11-24 01:21:33,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19576 to 19545. [2024-11-24 01:21:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19545 states, 14286 states have (on average 1.3082738345233096) internal successors, (18690), 14569 states have internal predecessors, (18690), 4236 states have call successors, (4236), 1042 states have call predecessors, (4236), 1020 states have return successors, (4247), 4071 states have call predecessors, (4247), 4232 states have call successors, (4247) [2024-11-24 01:21:33,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19545 states to 19545 states and 27173 transitions. [2024-11-24 01:21:33,426 INFO L78 Accepts]: Start accepts. Automaton has 19545 states and 27173 transitions. Word has length 140 [2024-11-24 01:21:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:33,427 INFO L471 AbstractCegarLoop]: Abstraction has 19545 states and 27173 transitions. [2024-11-24 01:21:33,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:21:33,427 INFO L276 IsEmpty]: Start isEmpty. Operand 19545 states and 27173 transitions. [2024-11-24 01:21:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 01:21:33,433 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:33,434 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:21:33,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:21:33,434 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:21:33,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:33,435 INFO L85 PathProgramCache]: Analyzing trace with hash 386822243, now seen corresponding path program 1 times [2024-11-24 01:21:33,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:33,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246681155] [2024-11-24 01:21:33,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:33,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:21:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:39,968 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 01:21:39,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:39,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246681155] [2024-11-24 01:21:39,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246681155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:21:39,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:21:39,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:21:39,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309104184] [2024-11-24 01:21:39,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:21:39,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:21:39,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:21:39,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:21:39,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:39,971 INFO L87 Difference]: Start difference. First operand 19545 states and 27173 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:21:44,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:21:45,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:45,477 INFO L93 Difference]: Finished difference Result 57013 states and 79332 transitions. [2024-11-24 01:21:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:21:45,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 154 [2024-11-24 01:21:45,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:45,695 INFO L225 Difference]: With dead ends: 57013 [2024-11-24 01:21:45,695 INFO L226 Difference]: Without dead ends: 37491 [2024-11-24 01:21:45,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:45,769 INFO L435 NwaCegarLoop]: 2868 mSDtfsCounter, 2477 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2477 SdHoareTripleChecker+Valid, 5384 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:45,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2477 Valid, 5384 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 01:21:45,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37491 states. [2024-11-24 01:21:47,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37491 to 37433. [2024-11-24 01:21:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37433 states, 27329 states have (on average 1.308609901569761) internal successors, (35763), 27905 states have internal predecessors, (35763), 8142 states have call successors, (8142), 2002 states have call predecessors, (8142), 1959 states have return successors, (8168), 7793 states have call predecessors, (8168), 8138 states have call successors, (8168) [2024-11-24 01:21:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37433 states to 37433 states and 52073 transitions. [2024-11-24 01:21:47,475 INFO L78 Accepts]: Start accepts. Automaton has 37433 states and 52073 transitions. Word has length 154 [2024-11-24 01:21:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:47,476 INFO L471 AbstractCegarLoop]: Abstraction has 37433 states and 52073 transitions. [2024-11-24 01:21:47,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:21:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 37433 states and 52073 transitions. [2024-11-24 01:21:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-24 01:21:47,480 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:47,480 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:21:47,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:21:47,480 INFO L396 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)] === [2024-11-24 01:21:47,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:47,481 INFO L85 PathProgramCache]: Analyzing trace with hash 292148036, now seen corresponding path program 1 times [2024-11-24 01:21:47,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:47,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514953787] [2024-11-24 01:21:47,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:47,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:21:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-24 01:21:53,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:21:53,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514953787] [2024-11-24 01:21:53,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514953787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:21:53,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:21:53,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:21:53,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460514866] [2024-11-24 01:21:53,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:21:53,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:21:53,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:21:53,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:21:53,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:53,383 INFO L87 Difference]: Start difference. First operand 37433 states and 52073 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:21:54,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:54,682 INFO L93 Difference]: Finished difference Result 74787 states and 104052 transitions. [2024-11-24 01:21:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:21:54,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 194 [2024-11-24 01:21:54,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:54,935 INFO L225 Difference]: With dead ends: 74787 [2024-11-24 01:21:54,935 INFO L226 Difference]: Without dead ends: 37433 [2024-11-24 01:21:55,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:21:55,081 INFO L435 NwaCegarLoop]: 2530 mSDtfsCounter, 2492 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 2530 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:55,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2492 Valid, 2530 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:21:55,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37433 states. [2024-11-24 01:21:56,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37433 to 37433. [2024-11-24 01:21:56,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37433 states, 27329 states have (on average 1.3074389842292071) internal successors, (35731), 27905 states have internal predecessors, (35731), 8142 states have call successors, (8142), 2002 states have call predecessors, (8142), 1959 states have return successors, (8168), 7793 states have call predecessors, (8168), 8138 states have call successors, (8168) [2024-11-24 01:21:56,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37433 states to 37433 states and 52041 transitions. [2024-11-24 01:21:56,942 INFO L78 Accepts]: Start accepts. Automaton has 37433 states and 52041 transitions. Word has length 194 [2024-11-24 01:21:56,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:56,942 INFO L471 AbstractCegarLoop]: Abstraction has 37433 states and 52041 transitions. [2024-11-24 01:21:56,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:21:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 37433 states and 52041 transitions. [2024-11-24 01:21:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-24 01:21:56,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:56,947 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:21:56,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:21:56,948 INFO L396 AbstractCegarLoop]: === Iteration 8 === 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)] === [2024-11-24 01:21:56,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:56,948 INFO L85 PathProgramCache]: Analyzing trace with hash 237755138, now seen corresponding path program 1 times [2024-11-24 01:21:56,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:21:56,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919937611] [2024-11-24 01:21:56,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:56,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:22:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-24 01:22:04,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:22:04,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919937611] [2024-11-24 01:22:04,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919937611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:22:04,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:22:04,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:22:04,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120033793] [2024-11-24 01:22:04,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:22:04,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:22:04,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:22:04,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:22:04,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:22:04,901 INFO L87 Difference]: Start difference. First operand 37433 states and 52041 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:22:06,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:22:06,364 INFO L93 Difference]: Finished difference Result 74755 states and 103956 transitions. [2024-11-24 01:22:06,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:22:06,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 194 [2024-11-24 01:22:06,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:22:06,610 INFO L225 Difference]: With dead ends: 74755 [2024-11-24 01:22:06,611 INFO L226 Difference]: Without dead ends: 37401 [2024-11-24 01:22:06,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:22:06,747 INFO L435 NwaCegarLoop]: 2522 mSDtfsCounter, 2485 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 2522 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:22:06,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 2522 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:22:06,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37401 states. [2024-11-24 01:22:08,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37401 to 37401. [2024-11-24 01:22:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37401 states, 27297 states have (on average 1.3031102318936147) internal successors, (35571), 27873 states have internal predecessors, (35571), 8142 states have call successors, (8142), 2002 states have call predecessors, (8142), 1959 states have return successors, (8168), 7793 states have call predecessors, (8168), 8138 states have call successors, (8168) [2024-11-24 01:22:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37401 states to 37401 states and 51881 transitions. [2024-11-24 01:22:08,616 INFO L78 Accepts]: Start accepts. Automaton has 37401 states and 51881 transitions. Word has length 194 [2024-11-24 01:22:08,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:22:08,618 INFO L471 AbstractCegarLoop]: Abstraction has 37401 states and 51881 transitions. [2024-11-24 01:22:08,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:22:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 37401 states and 51881 transitions. [2024-11-24 01:22:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-24 01:22:08,623 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:22:08,623 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:22:08,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:22:08,623 INFO L396 AbstractCegarLoop]: === Iteration 9 === 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)] === [2024-11-24 01:22:08,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:22:08,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1049458046, now seen corresponding path program 1 times [2024-11-24 01:22:08,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:22:08,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424221349] [2024-11-24 01:22:08,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:08,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:22:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:22:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-24 01:22:15,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:22:15,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424221349] [2024-11-24 01:22:15,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424221349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:22:15,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:22:15,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:22:15,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242301582] [2024-11-24 01:22:15,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:22:15,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:22:15,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:22:15,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:22:15,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:22:15,281 INFO L87 Difference]: Start difference. First operand 37401 states and 51881 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:22:19,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:22:21,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:22:21,914 INFO L93 Difference]: Finished difference Result 109537 states and 152154 transitions. [2024-11-24 01:22:21,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:22:21,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 197 [2024-11-24 01:22:21,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:22:22,429 INFO L225 Difference]: With dead ends: 109537 [2024-11-24 01:22:22,429 INFO L226 Difference]: Without dead ends: 72215 [2024-11-24 01:22:22,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:22:22,619 INFO L435 NwaCegarLoop]: 3501 mSDtfsCounter, 2354 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 6000 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:22:22,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 6000 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 01:22:22,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72215 states. [2024-11-24 01:22:25,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72215 to 72211. [2024-11-24 01:22:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72211 states, 52851 states have (on average 1.3051219466046053) internal successors, (68977), 53857 states have internal predecessors, (68977), 15586 states have call successors, (15586), 3840 states have call predecessors, (15586), 3771 states have return successors, (15642), 15049 states have call predecessors, (15642), 15582 states have call successors, (15642) [2024-11-24 01:22:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72211 states to 72211 states and 100205 transitions. [2024-11-24 01:22:25,713 INFO L78 Accepts]: Start accepts. Automaton has 72211 states and 100205 transitions. Word has length 197 [2024-11-24 01:22:25,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:22:25,713 INFO L471 AbstractCegarLoop]: Abstraction has 72211 states and 100205 transitions. [2024-11-24 01:22:25,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:22:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 72211 states and 100205 transitions. [2024-11-24 01:22:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-24 01:22:25,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:22:25,718 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:22:25,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:22:25,718 INFO L396 AbstractCegarLoop]: === Iteration 10 === 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)] === [2024-11-24 01:22:25,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:22:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash -908909436, now seen corresponding path program 1 times [2024-11-24 01:22:25,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:22:25,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240394106] [2024-11-24 01:22:25,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:22:25,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms