./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl --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 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:27:41,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:27:41,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:27:41,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:27:41,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:27:41,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:27:41,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:27:41,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:27:41,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:27:41,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:27:41,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:27:41,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:27:41,244 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:27:41,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:27:41,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:27:41,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:27:41,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:27:41,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:27:41,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:27:41,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:27:41,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:27:41,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:27:41,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:27:41,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:27:41,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:27:41,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:27:41,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:27:41,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:27:41,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:27:41,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:27:41,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:27:41,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:27:41,255 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:27:41,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:27:41,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:27:41,256 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:27:41,256 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a [2023-11-12 02:27:41,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:27:41,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:27:41,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:27:41,607 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:27:41,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:27:41,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:27:44,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:27:45,414 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:27:45,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:27:45,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/data/cf44b7807/aeaac92d1a5a412f82cc70e3354c78e5/FLAG761c699cf [2023-11-12 02:27:45,476 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/data/cf44b7807/aeaac92d1a5a412f82cc70e3354c78e5 [2023-11-12 02:27:45,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:27:45,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:27:45,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:27:45,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:27:45,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:27:45,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:27:45" (1/1) ... [2023-11-12 02:27:45,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1060342d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:45, skipping insertion in model container [2023-11-12 02:27:45,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:27:45" (1/1) ... [2023-11-12 02:27:45,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:27:48,929 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2023-11-12 02:27:48,933 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347481,347494] [2023-11-12 02:27:48,969 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347648,347661] [2023-11-12 02:27:48,969 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347816,347829] [2023-11-12 02:27:48,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:27:49,097 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:27:49,243 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"); [5282] [2023-11-12 02:27:49,245 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)); [5289] [2023-11-12 02:27:49,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5296] [2023-11-12 02:27:49,251 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)); [5351-5352] [2023-11-12 02:27:49,252 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"); [5357-5359] [2023-11-12 02:27:49,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5476] [2023-11-12 02:27:49,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5484] [2023-11-12 02:27:49,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5491] [2023-11-12 02:27:49,267 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)); [5619-5620] [2023-11-12 02:27:49,269 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)); [5653-5654] [2023-11-12 02:27:49,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5694-5695] [2023-11-12 02:27:49,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [5723-5724] [2023-11-12 02:27:49,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5760-5761] [2023-11-12 02:27:49,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5797-5798] [2023-11-12 02:27:49,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6743] [2023-11-12 02:27:49,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7514] [2023-11-12 02:27:49,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7524] [2023-11-12 02:27:49,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7539] [2023-11-12 02:27:49,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8325] [2023-11-12 02:27:49,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8358] [2023-11-12 02:27:49,410 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8381] [2023-11-12 02:27:49,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8622] [2023-11-12 02:27:49,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8652] [2023-11-12 02:27:49,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8665] [2023-11-12 02:27:49,632 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2023-11-12 02:27:49,633 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347481,347494] [2023-11-12 02:27:49,633 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347648,347661] [2023-11-12 02:27:49,634 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347816,347829] [2023-11-12 02:27:49,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:27:49,861 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:27:49,861 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:27:49,867 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:27:49,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49 WrapperNode [2023-11-12 02:27:49,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:27:49,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:27:49,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:27:49,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:27:49,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,254 INFO L138 Inliner]: procedures = 447, calls = 2176, calls flagged for inlining = 218, calls inlined = 201, statements flattened = 6123 [2023-11-12 02:27:50,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:27:50,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:27:50,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:27:50,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:27:50,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:27:50,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:27:50,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:27:50,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:27:50,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (1/1) ... [2023-11-12 02:27:50,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:27:50,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:27:50,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:27:50,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c01c696a-7725-41c2-b4e1-d12338480496/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-12 02:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2023-11-12 02:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2023-11-12 02:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-12 02:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-12 02:27:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 02:27:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 02:27:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:27:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:27:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2023-11-12 02:27:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2023-11-12 02:27:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2023-11-12 02:27:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2023-11-12 02:27:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2023-11-12 02:27:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2023-11-12 02:27:50,822 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:27:50,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:27:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2023-11-12 02:27:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2023-11-12 02:27:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:27:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:27:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 02:27:50,823 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 02:27:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:27:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 02:27:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2023-11-12 02:27:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2023-11-12 02:27:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:27:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:27:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2023-11-12 02:27:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2023-11-12 02:27:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 02:27:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 02:27:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2023-11-12 02:27:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2023-11-12 02:27:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2023-11-12 02:27:50,826 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2023-11-12 02:27:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-12 02:27:50,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2023-11-12 02:27:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:27:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 02:27:50,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 02:27:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 02:27:50,828 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 02:27:50,828 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 02:27:50,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 02:27:50,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-12 02:27:50,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-12 02:27:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 02:27:50,830 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 02:27:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:27:50,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:27:50,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:27:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-12 02:27:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-12 02:27:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-12 02:27:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2023-11-12 02:27:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:27:50,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:27:50,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:27:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:27:50,832 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:27:50,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:27:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 02:27:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 02:27:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:27:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:27:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:27:50,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 02:27:50,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 02:27:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 02:27:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 02:27:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 02:27:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 02:27:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2023-11-12 02:27:50,834 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2023-11-12 02:27:50,834 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2023-11-12 02:27:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2023-11-12 02:27:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:27:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 02:27:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:27:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 02:27:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 02:27:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 02:27:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 02:27:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2023-11-12 02:27:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2023-11-12 02:27:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2023-11-12 02:27:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2023-11-12 02:27:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:27:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2023-11-12 02:27:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2023-11-12 02:27:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 02:27:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 02:27:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 02:27:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 02:27:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:27:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:27:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:27:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:27:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 02:27:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:27:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:27:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2023-11-12 02:27:50,839 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2023-11-12 02:27:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:27:50,840 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:27:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:27:50,840 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:27:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 02:27:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 02:27:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-12 02:27:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-12 02:27:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2023-11-12 02:27:50,841 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2023-11-12 02:27:50,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:27:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:27:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2023-11-12 02:27:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2023-11-12 02:27:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-12 02:27:50,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-12 02:27:50,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:27:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2023-11-12 02:27:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2023-11-12 02:27:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:27:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:27:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:27:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 02:27:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2023-11-12 02:27:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:27:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 02:27:50,849 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 02:27:50,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 02:27:50,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 02:27:50,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 02:27:50,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-12 02:27:50,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2023-11-12 02:27:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:27:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:27:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 02:27:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 02:27:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-12 02:27:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-12 02:27:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-12 02:27:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2023-11-12 02:27:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2023-11-12 02:27:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2023-11-12 02:27:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:27:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:27:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 02:27:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 02:27:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:27:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:27:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:27:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:27:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-12 02:27:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2023-11-12 02:27:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2023-11-12 02:27:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:27:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:27:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 02:27:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 02:27:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-12 02:27:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-12 02:27:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2023-11-12 02:27:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2023-11-12 02:27:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2023-11-12 02:27:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2023-11-12 02:27:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2023-11-12 02:27:50,859 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2023-11-12 02:27:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 02:27:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 02:27:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:27:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:27:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2023-11-12 02:27:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2023-11-12 02:27:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:27:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:27:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:27:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 02:27:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 02:27:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2023-11-12 02:27:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2023-11-12 02:27:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 02:27:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 02:27:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 02:27:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2023-11-12 02:27:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-12 02:27:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-12 02:27:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-12 02:27:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-12 02:27:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:27:50,865 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2023-11-12 02:27:50,865 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2023-11-12 02:27:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 02:27:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 02:27:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-12 02:27:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-12 02:27:50,866 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2023-11-12 02:27:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2023-11-12 02:27:51,851 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:27:51,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:27:52,760 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:28:00,035 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 02:28:00,343 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:28:00,373 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:28:00,374 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:28:00,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:00 BoogieIcfgContainer [2023-11-12 02:28:00,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:28:00,385 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:28:00,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:28:00,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:28:00,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:27:45" (1/3) ... [2023-11-12 02:28:00,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e0bd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:00, skipping insertion in model container [2023-11-12 02:28:00,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:27:49" (2/3) ... [2023-11-12 02:28:00,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e0bd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:00, skipping insertion in model container [2023-11-12 02:28:00,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:00" (3/3) ... [2023-11-12 02:28:00,393 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2023-11-12 02:28:00,414 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:28:00,414 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 02:28:00,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:28:00,558 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@927c000, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:28:00,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 02:28:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 2543 states, 1814 states have (on average 1.4046306504961412) internal successors, (2548), 1850 states have internal predecessors, (2548), 636 states have call successors, (636), 91 states have call predecessors, (636), 90 states have return successors, (630), 619 states have call predecessors, (630), 630 states have call successors, (630) [2023-11-12 02:28:00,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-12 02:28:00,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:00,614 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:00,615 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:28:00,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:00,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1653483176, now seen corresponding path program 1 times [2023-11-12 02:28:00,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:00,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893626643] [2023-11-12 02:28:00,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:00,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:28:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:28:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:28:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:28:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:28:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:28:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:28:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:28:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:28:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-12 02:28:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:28:01,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:01,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893626643] [2023-11-12 02:28:01,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893626643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:01,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:01,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:28:01,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306989263] [2023-11-12 02:28:01,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:01,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:28:01,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:01,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:28:01,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:28:01,969 INFO L87 Difference]: Start difference. First operand has 2543 states, 1814 states have (on average 1.4046306504961412) internal successors, (2548), 1850 states have internal predecessors, (2548), 636 states have call successors, (636), 91 states have call predecessors, (636), 90 states have return successors, (630), 619 states have call predecessors, (630), 630 states have call successors, (630) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 02:28:12,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:12,580 INFO L93 Difference]: Finished difference Result 7523 states and 11592 transitions. [2023-11-12 02:28:12,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:28:12,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2023-11-12 02:28:12,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:12,687 INFO L225 Difference]: With dead ends: 7523 [2023-11-12 02:28:12,687 INFO L226 Difference]: Without dead ends: 4991 [2023-11-12 02:28:12,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:28:12,734 INFO L413 NwaCegarLoop]: 2463 mSDtfsCounter, 4847 mSDsluCounter, 3627 mSDsCounter, 0 mSdLazyCounter, 3437 mSolverCounterSat, 1678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5432 SdHoareTripleChecker+Valid, 6090 SdHoareTripleChecker+Invalid, 5115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1678 IncrementalHoareTripleChecker+Valid, 3437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:28:12,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5432 Valid, 6090 Invalid, 5115 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1678 Valid, 3437 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-11-12 02:28:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4991 states. [2023-11-12 02:28:13,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4991 to 4949. [2023-11-12 02:28:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4949 states, 3551 states have (on average 1.3798929878907351) internal successors, (4900), 3622 states have internal predecessors, (4900), 1219 states have call successors, (1219), 177 states have call predecessors, (1219), 176 states have return successors, (1215), 1193 states have call predecessors, (1215), 1215 states have call successors, (1215) [2023-11-12 02:28:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4949 states to 4949 states and 7334 transitions. [2023-11-12 02:28:13,340 INFO L78 Accepts]: Start accepts. Automaton has 4949 states and 7334 transitions. Word has length 116 [2023-11-12 02:28:13,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:13,342 INFO L495 AbstractCegarLoop]: Abstraction has 4949 states and 7334 transitions. [2023-11-12 02:28:13,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 02:28:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 4949 states and 7334 transitions. [2023-11-12 02:28:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-12 02:28:13,349 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:13,349 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:13,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:28:13,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:28:13,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:13,351 INFO L85 PathProgramCache]: Analyzing trace with hash 513823304, now seen corresponding path program 1 times [2023-11-12 02:28:13,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:13,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419116045] [2023-11-12 02:28:13,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:13,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:28:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:28:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:28:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:28:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:28:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:28:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:28:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:28:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:28:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-12 02:28:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:28:14,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:14,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419116045] [2023-11-12 02:28:14,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419116045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:14,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:14,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:28:14,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681072913] [2023-11-12 02:28:14,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:14,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:28:14,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:14,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:28:14,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:28:14,179 INFO L87 Difference]: Start difference. First operand 4949 states and 7334 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 02:28:22,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:28:22,641 INFO L93 Difference]: Finished difference Result 13593 states and 20084 transitions. [2023-11-12 02:28:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:28:22,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 117 [2023-11-12 02:28:22,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:28:22,731 INFO L225 Difference]: With dead ends: 13593 [2023-11-12 02:28:22,731 INFO L226 Difference]: Without dead ends: 8665 [2023-11-12 02:28:22,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:28:22,771 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 4195 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 1440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4708 SdHoareTripleChecker+Valid, 6142 SdHoareTripleChecker+Invalid, 4779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1440 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:28:22,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4708 Valid, 6142 Invalid, 4779 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1440 Valid, 3339 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-11-12 02:28:22,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8665 states. [2023-11-12 02:28:23,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8665 to 8573. [2023-11-12 02:28:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8573 states, 6165 states have (on average 1.372911597729116) internal successors, (8464), 6299 states have internal predecessors, (8464), 2070 states have call successors, (2070), 344 states have call predecessors, (2070), 335 states have return successors, (2080), 2001 states have call predecessors, (2080), 2066 states have call successors, (2080) [2023-11-12 02:28:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8573 states to 8573 states and 12614 transitions. [2023-11-12 02:28:23,587 INFO L78 Accepts]: Start accepts. Automaton has 8573 states and 12614 transitions. Word has length 117 [2023-11-12 02:28:23,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:28:23,593 INFO L495 AbstractCegarLoop]: Abstraction has 8573 states and 12614 transitions. [2023-11-12 02:28:23,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 02:28:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 8573 states and 12614 transitions. [2023-11-12 02:28:23,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-12 02:28:23,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:28:23,604 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:23,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:28:23,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 02:28:23,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:23,606 INFO L85 PathProgramCache]: Analyzing trace with hash -44267695, now seen corresponding path program 1 times [2023-11-12 02:28:23,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:23,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454320813] [2023-11-12 02:28:23,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:23,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:23,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:28:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:23,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:28:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:23,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:28:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-12 02:28:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-12 02:28:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:28:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-12 02:28:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:28:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:28:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:28:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-12 02:28:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:24,146 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-12 02:28:24,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:24,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454320813] [2023-11-12 02:28:24,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454320813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:24,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:24,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:28:24,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999271125] [2023-11-12 02:28:24,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:24,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:28:24,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:24,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:28:24,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:28:24,151 INFO L87 Difference]: Start difference. First operand 8573 states and 12614 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)