./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB --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-d790fec [2024-11-28 02:46:13,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:46:14,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:46:14,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:46:14,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:46:14,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:46:14,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:46:14,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:46:14,134 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:46:14,134 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:46:14,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:46:14,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:46:14,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:46:14,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:46:14,137 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:46:14,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:46:14,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:46:14,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:46:14,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:46:14,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:46:14,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:46:14,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:46:14,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:46:14,139 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:46:14,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:46:14,139 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:46:14,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:14,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:46:14,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:14,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:14,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:46:14,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:14,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:46:14,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:14,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:14,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:46:14,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:46:14,141 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:46:14,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:46:14,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:46:14,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:46:14,142 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:46:14,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:46:14,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:46:14,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:46:14,142 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-28 02:46:14,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:46:14,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:46:14,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:46:14,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:46:14,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:46:14,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-28 02:46:17,464 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/data/516c1d402/f611c805d7564cb8b522299a14ea0b5b/FLAG69dbb85b0 [2024-11-28 02:46:18,188 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:46:18,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-28 02:46:18,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/data/516c1d402/f611c805d7564cb8b522299a14ea0b5b/FLAG69dbb85b0 [2024-11-28 02:46:18,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/data/516c1d402/f611c805d7564cb8b522299a14ea0b5b [2024-11-28 02:46:18,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:46:18,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:46:18,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:18,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:46:18,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:46:18,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:18" (1/1) ... [2024-11-28 02:46:18,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c473fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:18, skipping insertion in model container [2024-11-28 02:46:18,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:18" (1/1) ... [2024-11-28 02:46:18,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:46:20,705 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2024-11-28 02:46:20,708 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2024-11-28 02:46:20,709 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2024-11-28 02:46:20,710 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2024-11-28 02:46:20,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:20,800 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:46:20,962 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] [2024-11-28 02:46:20,964 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] [2024-11-28 02:46:20,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5256] [2024-11-28 02:46:20,968 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] [2024-11-28 02:46:20,968 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] [2024-11-28 02:46:20,980 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] [2024-11-28 02:46:20,983 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] [2024-11-28 02:46:21,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7248] [2024-11-28 02:46:21,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7500] [2024-11-28 02:46:21,404 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309274,309287] [2024-11-28 02:46:21,404 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309443,309456] [2024-11-28 02:46:21,406 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309610,309623] [2024-11-28 02:46:21,406 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_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[309778,309791] [2024-11-28 02:46:21,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:21,566 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:46:21,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21 WrapperNode [2024-11-28 02:46:21,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:21,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:21,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:46:21,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:46:21,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:21,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:21,919 INFO L138 Inliner]: procedures = 411, calls = 1715, calls flagged for inlining = 195, calls inlined = 178, statements flattened = 4739 [2024-11-28 02:46:21,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:21,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:46:21,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:46:21,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:46:21,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:21,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:21,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,083 INFO L175 MemorySlicer]: Split 777 memory accesses to 14 slices as follows [1, 631, 8, 8, 1, 2, 2, 55, 5, 5, 52, 3, 2, 2]. 81 percent of accesses are in the largest equivalence class. The 52 initializations are split as follows [0, 22, 8, 8, 1, 2, 0, 0, 5, 5, 0, 1, 0, 0]. The 402 writes are split as follows [0, 302, 0, 0, 0, 0, 1, 55, 0, 0, 42, 0, 1, 1]. [2024-11-28 02:46:23,083 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:46:23,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:46:23,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:46:23,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:46:23,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (1/1) ... [2024-11-28 02:46:23,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:23,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:23,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:23,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315f06ce-0cc7-4c60-947f-5c5b05a0d36a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:46:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-28 02:46:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-28 02:46:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 02:46:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 02:46:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-28 02:46:23,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-28 02:46:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-28 02:46:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-28 02:46:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:46:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:46:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:46:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:46:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 02:46:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 02:46:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2024-11-28 02:46:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2024-11-28 02:46:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-28 02:46:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-28 02:46:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-28 02:46:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-28 02:46:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-28 02:46:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2024-11-28 02:46:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2024-11-28 02:46:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-28 02:46:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 02:46:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-28 02:46:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-28 02:46:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-28 02:46:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 02:46:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-28 02:46:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2024-11-28 02:46:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-28 02:46:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-28 02:46:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 02:46:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 02:46:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 02:46:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 02:46:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 02:46:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 02:46:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 02:46:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-28 02:46:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 02:46:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 02:46:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:46:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:46:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:46:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:46:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:46:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:46:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:46:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:46:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:46:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:46:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:46:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:46:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:46:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:46:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 02:46:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 02:46:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2024-11-28 02:46:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2024-11-28 02:46:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2024-11-28 02:46:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2024-11-28 02:46:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:46:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:46:23,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2024-11-28 02:46:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 02:46:23,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 02:46:23,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 02:46:23,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 02:46:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-28 02:46:23,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-28 02:46:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 02:46:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 02:46:23,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 02:46:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 02:46:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 02:46:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 02:46:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 02:46:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 02:46:23,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 02:46:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 02:46:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 02:46:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 02:46:23,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-28 02:46:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-28 02:46:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-28 02:46:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-28 02:46:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-28 02:46:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-28 02:46:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-28 02:46:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-28 02:46:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-28 02:46:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 02:46:23,535 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 02:46:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 02:46:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:46:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:46:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:46:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:46:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:46:23,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:46:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:46:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:46:23,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:46:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-28 02:46:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 02:46:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-28 02:46:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-28 02:46:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-11-28 02:46:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:46:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2024-11-28 02:46:23,540 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2024-11-28 02:46:23,540 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2024-11-28 02:46:23,541 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:46:23,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:46:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:46:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-28 02:46:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2024-11-28 02:46:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-28 02:46:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-28 02:46:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-28 02:46:23,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-28 02:46:23,542 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-28 02:46:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-28 02:46:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2024-11-28 02:46:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2024-11-28 02:46:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-28 02:46:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-28 02:46:23,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:46:23,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-28 02:46:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 02:46:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 02:46:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 02:46:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2024-11-28 02:46:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 02:46:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2024-11-28 02:46:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2024-11-28 02:46:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2024-11-28 02:46:23,544 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2024-11-28 02:46:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2024-11-28 02:46:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 02:46:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 02:46:23,545 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2024-11-28 02:46:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2024-11-28 02:46:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2024-11-28 02:46:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2024-11-28 02:46:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 02:46:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 02:46:23,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-28 02:46:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-28 02:46:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-11-28 02:46:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-11-28 02:46:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2024-11-28 02:46:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2024-11-28 02:46:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:46:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:46:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:46:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:46:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:46:23,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 02:46:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 02:46:24,596 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:46:24,601 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:46:25,248 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:46:39,295 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-28 02:46:40,194 INFO L? ?]: Removed 2237 outVars from TransFormulas that were not future-live. [2024-11-28 02:46:40,194 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:46:40,245 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:46:40,245 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:46:40,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:40 BoogieIcfgContainer [2024-11-28 02:46:40,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:46:40,249 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:46:40,249 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:46:40,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:46:40,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:18" (1/3) ... [2024-11-28 02:46:40,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1353f28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:40, skipping insertion in model container [2024-11-28 02:46:40,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:21" (2/3) ... [2024-11-28 02:46:40,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1353f28b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:40, skipping insertion in model container [2024-11-28 02:46:40,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:40" (3/3) ... [2024-11-28 02:46:40,257 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2024-11-28 02:46:40,274 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:46:40,278 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. [2024-11-28 02:46:40,425 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:46:40,440 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;@652721f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:46:40,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-28 02:46:40,451 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) [2024-11-28 02:46:40,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 02:46:40,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:40,476 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] [2024-11-28 02:46:40,477 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)] === [2024-11-28 02:46:40,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:40,486 INFO L85 PathProgramCache]: Analyzing trace with hash -350460708, now seen corresponding path program 1 times [2024-11-28 02:46:40,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:40,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539394842] [2024-11-28 02:46:40,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:40,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-28 02:46:47,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:47,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539394842] [2024-11-28 02:46:47,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539394842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:47,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:47,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:46:47,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213643677] [2024-11-28 02:46:47,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:47,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:47,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:47,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:47,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:47,883 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) [2024-11-28 02:46:51,961 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 [] [2024-11-28 02:46:52,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:46:52,988 INFO L93 Difference]: Finished difference Result 5280 states and 7706 transitions. [2024-11-28 02:46:52,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:52,991 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 [2024-11-28 02:46:52,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:46:53,055 INFO L225 Difference]: With dead ends: 5280 [2024-11-28 02:46:53,055 INFO L226 Difference]: Without dead ends: 3480 [2024-11-28 02:46:53,079 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 [2024-11-28 02:46:53,084 INFO L435 NwaCegarLoop]: 2566 mSDtfsCounter, 2413 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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 [2024-11-28 02:46:53,087 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] [2024-11-28 02:46:53,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2024-11-28 02:46:53,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 3476. [2024-11-28 02:46:53,435 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) [2024-11-28 02:46:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4889 transitions. [2024-11-28 02:46:53,484 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4889 transitions. Word has length 127 [2024-11-28 02:46:53,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:46:53,486 INFO L471 AbstractCegarLoop]: Abstraction has 3476 states and 4889 transitions. [2024-11-28 02:46:53,486 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) [2024-11-28 02:46:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4889 transitions. [2024-11-28 02:46:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:46:53,492 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:46:53,492 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] [2024-11-28 02:46:53,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:46:53,493 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)] === [2024-11-28 02:46:53,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:53,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1917619709, now seen corresponding path program 1 times [2024-11-28 02:46:53,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:53,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437101131] [2024-11-28 02:46:53,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:53,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:59,346 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-28 02:46:59,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:59,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437101131] [2024-11-28 02:46:59,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437101131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:59,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:59,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:46:59,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555327444] [2024-11-28 02:46:59,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:59,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:59,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:59,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:59,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:59,350 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) [2024-11-28 02:47:03,414 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 [] [2024-11-28 02:47:04,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:04,495 INFO L93 Difference]: Finished difference Result 10282 states and 14479 transitions. [2024-11-28 02:47:04,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:04,495 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 [2024-11-28 02:47:04,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:04,560 INFO L225 Difference]: With dead ends: 10282 [2024-11-28 02:47:04,560 INFO L226 Difference]: Without dead ends: 6829 [2024-11-28 02:47:04,579 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 [2024-11-28 02:47:04,580 INFO L435 NwaCegarLoop]: 2559 mSDtfsCounter, 2466 mSDsluCounter, 2469 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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 [2024-11-28 02:47:04,581 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] [2024-11-28 02:47:04,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6829 states. [2024-11-28 02:47:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6829 to 6799. [2024-11-28 02:47:04,934 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) [2024-11-28 02:47:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6799 states to 6799 states and 9575 transitions. [2024-11-28 02:47:04,988 INFO L78 Accepts]: Start accepts. Automaton has 6799 states and 9575 transitions. Word has length 131 [2024-11-28 02:47:04,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:04,989 INFO L471 AbstractCegarLoop]: Abstraction has 6799 states and 9575 transitions. [2024-11-28 02:47:04,989 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) [2024-11-28 02:47:04,989 INFO L276 IsEmpty]: Start isEmpty. Operand 6799 states and 9575 transitions. [2024-11-28 02:47:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 02:47:04,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:04,995 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] [2024-11-28 02:47:04,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:47:04,995 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)] === [2024-11-28 02:47:04,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:04,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1799052014, now seen corresponding path program 1 times [2024-11-28 02:47:04,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:04,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584865066] [2024-11-28 02:47:04,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:04,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-28 02:47:10,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:10,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584865066] [2024-11-28 02:47:10,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584865066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:10,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:10,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:10,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370490264] [2024-11-28 02:47:10,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:10,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:10,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:10,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:10,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:10,710 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) [2024-11-28 02:47:14,783 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 [] [2024-11-28 02:47:15,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:15,854 INFO L93 Difference]: Finished difference Result 19521 states and 27407 transitions. [2024-11-28 02:47:15,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:15,854 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 [2024-11-28 02:47:15,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:15,960 INFO L225 Difference]: With dead ends: 19521 [2024-11-28 02:47:15,961 INFO L226 Difference]: Without dead ends: 12745 [2024-11-28 02:47:15,998 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 [2024-11-28 02:47:16,001 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, 4.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:16,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 5038 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-28 02:47:16,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12745 states. [2024-11-28 02:47:16,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12745 to 12711. [2024-11-28 02:47:16,630 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) [2024-11-28 02:47:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12711 states to 12711 states and 17813 transitions. [2024-11-28 02:47:16,721 INFO L78 Accepts]: Start accepts. Automaton has 12711 states and 17813 transitions. Word has length 131 [2024-11-28 02:47:16,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:16,722 INFO L471 AbstractCegarLoop]: Abstraction has 12711 states and 17813 transitions. [2024-11-28 02:47:16,722 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) [2024-11-28 02:47:16,722 INFO L276 IsEmpty]: Start isEmpty. Operand 12711 states and 17813 transitions. [2024-11-28 02:47:16,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 02:47:16,728 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:16,729 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] [2024-11-28 02:47:16,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:47:16,729 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)] === [2024-11-28 02:47:16,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:16,730 INFO L85 PathProgramCache]: Analyzing trace with hash 168798604, now seen corresponding path program 1 times [2024-11-28 02:47:16,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:16,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224696396] [2024-11-28 02:47:16,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:16,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-28 02:47:23,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:23,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224696396] [2024-11-28 02:47:23,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224696396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:23,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:23,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:23,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714556022] [2024-11-28 02:47:23,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:23,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:23,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:23,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:23,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:23,261 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) [2024-11-28 02:47:27,332 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 [] [2024-11-28 02:47:28,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:28,994 INFO L93 Difference]: Finished difference Result 24964 states and 34968 transitions. [2024-11-28 02:47:28,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:28,994 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 [2024-11-28 02:47:28,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:29,215 INFO L225 Difference]: With dead ends: 24964 [2024-11-28 02:47:29,215 INFO L226 Difference]: Without dead ends: 12276 [2024-11-28 02:47:29,267 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 [2024-11-28 02:47:29,269 INFO L435 NwaCegarLoop]: 2868 mSDtfsCounter, 1732 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:29,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 5330 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-28 02:47:29,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12276 states. [2024-11-28 02:47:30,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12276 to 12244. [2024-11-28 02:47:30,048 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) [2024-11-28 02:47:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12244 states to 12244 states and 17050 transitions. [2024-11-28 02:47:30,143 INFO L78 Accepts]: Start accepts. Automaton has 12244 states and 17050 transitions. Word has length 137 [2024-11-28 02:47:30,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:30,147 INFO L471 AbstractCegarLoop]: Abstraction has 12244 states and 17050 transitions. [2024-11-28 02:47:30,148 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) [2024-11-28 02:47:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 12244 states and 17050 transitions. [2024-11-28 02:47:30,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-28 02:47:30,150 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:30,150 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] [2024-11-28 02:47:30,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:47:30,151 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)] === [2024-11-28 02:47:30,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:30,152 INFO L85 PathProgramCache]: Analyzing trace with hash 933209158, now seen corresponding path program 1 times [2024-11-28 02:47:30,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:30,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190734234] [2024-11-28 02:47:30,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:30,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-28 02:47:35,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:35,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190734234] [2024-11-28 02:47:35,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190734234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:35,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:35,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:35,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296372322] [2024-11-28 02:47:35,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:35,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:35,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:35,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:35,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:35,985 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) [2024-11-28 02:47:40,038 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 [] [2024-11-28 02:47:41,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:41,620 INFO L93 Difference]: Finished difference Result 31797 states and 44281 transitions. [2024-11-28 02:47:41,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:41,621 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 [2024-11-28 02:47:41,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:41,732 INFO L225 Difference]: With dead ends: 31797 [2024-11-28 02:47:41,732 INFO L226 Difference]: Without dead ends: 19576 [2024-11-28 02:47:41,769 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 [2024-11-28 02:47:41,771 INFO L435 NwaCegarLoop]: 2545 mSDtfsCounter, 2272 mSDsluCounter, 2457 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:41,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2272 Valid, 5002 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-28 02:47:41,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19576 states. [2024-11-28 02:47:42,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19576 to 19545. [2024-11-28 02:47:42,534 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) [2024-11-28 02:47:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19545 states to 19545 states and 27173 transitions. [2024-11-28 02:47:42,633 INFO L78 Accepts]: Start accepts. Automaton has 19545 states and 27173 transitions. Word has length 140 [2024-11-28 02:47:42,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:42,634 INFO L471 AbstractCegarLoop]: Abstraction has 19545 states and 27173 transitions. [2024-11-28 02:47:42,635 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) [2024-11-28 02:47:42,636 INFO L276 IsEmpty]: Start isEmpty. Operand 19545 states and 27173 transitions. [2024-11-28 02:47:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-28 02:47:42,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:42,639 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] [2024-11-28 02:47:42,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:47:42,640 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)] === [2024-11-28 02:47:42,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:42,640 INFO L85 PathProgramCache]: Analyzing trace with hash 386822243, now seen corresponding path program 1 times [2024-11-28 02:47:42,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:42,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060513598] [2024-11-28 02:47:42,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:42,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 02:47:48,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:48,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060513598] [2024-11-28 02:47:48,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060513598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:48,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:48,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:48,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405315598] [2024-11-28 02:47:48,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:48,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:48,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:48,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:48,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:48,607 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) [2024-11-28 02:47:52,673 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 [] [2024-11-28 02:47:53,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:47:53,839 INFO L93 Difference]: Finished difference Result 57013 states and 79332 transitions. [2024-11-28 02:47:53,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:53,840 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 [2024-11-28 02:47:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:47:54,035 INFO L225 Difference]: With dead ends: 57013 [2024-11-28 02:47:54,035 INFO L226 Difference]: Without dead ends: 37491 [2024-11-28 02:47:54,107 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 [2024-11-28 02:47:54,109 INFO L435 NwaCegarLoop]: 2868 mSDtfsCounter, 2477 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:47:54,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2477 Valid, 5384 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 02:47:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37491 states. [2024-11-28 02:47:55,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37491 to 37433. [2024-11-28 02:47:55,782 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) [2024-11-28 02:47:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37433 states to 37433 states and 52073 transitions. [2024-11-28 02:47:55,964 INFO L78 Accepts]: Start accepts. Automaton has 37433 states and 52073 transitions. Word has length 154 [2024-11-28 02:47:55,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:47:55,964 INFO L471 AbstractCegarLoop]: Abstraction has 37433 states and 52073 transitions. [2024-11-28 02:47:55,964 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) [2024-11-28 02:47:55,965 INFO L276 IsEmpty]: Start isEmpty. Operand 37433 states and 52073 transitions. [2024-11-28 02:47:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-28 02:47:55,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:47:55,968 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] [2024-11-28 02:47:55,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:47:55,968 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)] === [2024-11-28 02:47:55,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:55,969 INFO L85 PathProgramCache]: Analyzing trace with hash 292148036, now seen corresponding path program 1 times [2024-11-28 02:47:55,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:55,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977284817] [2024-11-28 02:47:55,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:55,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-28 02:48:01,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:01,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977284817] [2024-11-28 02:48:01,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977284817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:01,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:01,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:48:01,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323646835] [2024-11-28 02:48:01,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:01,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:48:01,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:01,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:48:01,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:48:01,776 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) [2024-11-28 02:48:03,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:03,252 INFO L93 Difference]: Finished difference Result 74787 states and 104052 transitions. [2024-11-28 02:48:03,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:48:03,252 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 [2024-11-28 02:48:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:03,504 INFO L225 Difference]: With dead ends: 74787 [2024-11-28 02:48:03,504 INFO L226 Difference]: Without dead ends: 37433 [2024-11-28 02:48:03,677 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 [2024-11-28 02:48:03,678 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 [2024-11-28 02:48:03,678 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] [2024-11-28 02:48:03,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37433 states. [2024-11-28 02:48:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37433 to 37433. [2024-11-28 02:48:05,663 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) [2024-11-28 02:48:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37433 states to 37433 states and 52041 transitions. [2024-11-28 02:48:05,865 INFO L78 Accepts]: Start accepts. Automaton has 37433 states and 52041 transitions. Word has length 194 [2024-11-28 02:48:05,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:05,866 INFO L471 AbstractCegarLoop]: Abstraction has 37433 states and 52041 transitions. [2024-11-28 02:48:05,866 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) [2024-11-28 02:48:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 37433 states and 52041 transitions. [2024-11-28 02:48:05,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-28 02:48:05,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:05,869 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] [2024-11-28 02:48:05,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:48:05,870 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)] === [2024-11-28 02:48:05,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:05,871 INFO L85 PathProgramCache]: Analyzing trace with hash 237755138, now seen corresponding path program 1 times [2024-11-28 02:48:05,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:05,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593991417] [2024-11-28 02:48:05,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:05,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-28 02:48:12,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:12,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593991417] [2024-11-28 02:48:12,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593991417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:12,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:12,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:48:12,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279737451] [2024-11-28 02:48:12,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:12,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:48:12,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:12,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:48:12,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:48:12,786 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) [2024-11-28 02:48:14,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:14,136 INFO L93 Difference]: Finished difference Result 74755 states and 103956 transitions. [2024-11-28 02:48:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:48:14,136 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 [2024-11-28 02:48:14,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:14,501 INFO L225 Difference]: With dead ends: 74755 [2024-11-28 02:48:14,501 INFO L226 Difference]: Without dead ends: 37401 [2024-11-28 02:48:14,679 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 [2024-11-28 02:48:14,683 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 [2024-11-28 02:48:14,684 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] [2024-11-28 02:48:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37401 states. [2024-11-28 02:48:16,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37401 to 37401. [2024-11-28 02:48:16,203 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) [2024-11-28 02:48:16,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37401 states to 37401 states and 51881 transitions. [2024-11-28 02:48:16,401 INFO L78 Accepts]: Start accepts. Automaton has 37401 states and 51881 transitions. Word has length 194 [2024-11-28 02:48:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:16,401 INFO L471 AbstractCegarLoop]: Abstraction has 37401 states and 51881 transitions. [2024-11-28 02:48:16,402 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) [2024-11-28 02:48:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 37401 states and 51881 transitions. [2024-11-28 02:48:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 02:48:16,405 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:16,405 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] [2024-11-28 02:48:16,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:48:16,406 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)] === [2024-11-28 02:48:16,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:16,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1049458046, now seen corresponding path program 1 times [2024-11-28 02:48:16,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:16,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249685279] [2024-11-28 02:48:16,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-28 02:48:23,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:23,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249685279] [2024-11-28 02:48:23,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249685279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:23,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:23,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:48:23,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792680696] [2024-11-28 02:48:23,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:23,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:48:23,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:23,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:48:23,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:48:23,223 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) [2024-11-28 02:48:27,283 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 [] [2024-11-28 02:48:30,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:30,085 INFO L93 Difference]: Finished difference Result 109537 states and 152154 transitions. [2024-11-28 02:48:30,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:48:30,086 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 [2024-11-28 02:48:30,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:30,629 INFO L225 Difference]: With dead ends: 109537 [2024-11-28 02:48:30,629 INFO L226 Difference]: Without dead ends: 72215 [2024-11-28 02:48:30,745 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 [2024-11-28 02:48:30,746 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 [2024-11-28 02:48:30,747 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] [2024-11-28 02:48:30,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72215 states. [2024-11-28 02:48:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72215 to 72211. [2024-11-28 02:48:33,342 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) [2024-11-28 02:48:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72211 states to 72211 states and 100205 transitions. [2024-11-28 02:48:33,618 INFO L78 Accepts]: Start accepts. Automaton has 72211 states and 100205 transitions. Word has length 197 [2024-11-28 02:48:33,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:33,619 INFO L471 AbstractCegarLoop]: Abstraction has 72211 states and 100205 transitions. [2024-11-28 02:48:33,619 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) [2024-11-28 02:48:33,619 INFO L276 IsEmpty]: Start isEmpty. Operand 72211 states and 100205 transitions. [2024-11-28 02:48:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 02:48:33,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:33,622 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] [2024-11-28 02:48:33,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:48:33,623 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)] === [2024-11-28 02:48:33,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:33,624 INFO L85 PathProgramCache]: Analyzing trace with hash -908909436, now seen corresponding path program 1 times [2024-11-28 02:48:33,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:33,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881649607] [2024-11-28 02:48:33,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:33,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:48:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-28 02:48:40,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:48:40,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881649607] [2024-11-28 02:48:40,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881649607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:48:40,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:48:40,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:48:40,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922377482] [2024-11-28 02:48:40,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:48:40,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:48:40,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:48:40,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:48:40,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:48:40,056 INFO L87 Difference]: Start difference. First operand 72211 states and 100205 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:48:42,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:48:42,494 INFO L93 Difference]: Finished difference Result 72217 states and 100210 transitions. [2024-11-28 02:48:42,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:48:42,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 197 [2024-11-28 02:48:42,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:48:42,773 INFO L225 Difference]: With dead ends: 72217 [2024-11-28 02:48:42,773 INFO L226 Difference]: Without dead ends: 72215 [2024-11-28 02:48:42,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:48:42,807 INFO L435 NwaCegarLoop]: 2523 mSDtfsCounter, 2464 mSDsluCounter, 5032 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2465 SdHoareTripleChecker+Valid, 7555 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:48:42,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2465 Valid, 7555 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:48:42,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72215 states. [2024-11-28 02:48:45,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72215 to 72215. [2024-11-28 02:48:45,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72215 states, 52854 states have (on average 1.3051046278427365) internal successors, (68980), 53860 states have internal predecessors, (68980), 15586 states have call successors, (15586), 3841 states have call predecessors, (15586), 3772 states have return successors, (15642), 15049 states have call predecessors, (15642), 15582 states have call successors, (15642) [2024-11-28 02:48:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72215 states to 72215 states and 100208 transitions. [2024-11-28 02:48:46,042 INFO L78 Accepts]: Start accepts. Automaton has 72215 states and 100208 transitions. Word has length 197 [2024-11-28 02:48:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:48:46,043 INFO L471 AbstractCegarLoop]: Abstraction has 72215 states and 100208 transitions. [2024-11-28 02:48:46,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:48:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 72215 states and 100208 transitions. [2024-11-28 02:48:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-28 02:48:46,046 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:48:46,046 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:48:46,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:48:46,046 INFO L396 AbstractCegarLoop]: === Iteration 11 === 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)] === [2024-11-28 02:48:46,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:48:46,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1854771057, now seen corresponding path program 1 times [2024-11-28 02:48:46,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:48:46,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199437577] [2024-11-28 02:48:46,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:48:46,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:48:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat